US346025A
(en)
*
|
|
1886-07-20 |
|
Chaeles c |
US1437956A
(en)
*
|
1915-12-08 |
1922-12-05 |
Robert S Blair |
Cigar
|
US1945207A
(en)
*
|
1933-05-31 |
1934-01-30 |
Paul G Thomas |
Cigarette
|
US2349551A
(en)
*
|
1943-10-29 |
1944-05-23 |
Fmerson B Helm |
Smoker's draft tube
|
GB682696A
(en)
|
1950-01-24 |
1952-11-12 |
Imp Tobacco Co Ltd |
Improvements in cigarette making machines
|
US2695617A
(en)
*
|
1951-04-18 |
1954-11-30 |
Archie E Warnberg |
Slip-on cigarette tip
|
US2888935A
(en)
*
|
1955-03-30 |
1959-06-02 |
American Mach & Foundry |
Cigarette and apparatus for making the same
|
US2918922A
(en)
*
|
1955-03-30 |
1959-12-29 |
American Mach & Foundry |
Cigarette
|
US2827903A
(en)
*
|
1956-02-13 |
1958-03-25 |
Niederman Henry |
Self cooling filter cigarette
|
US2954778A
(en)
*
|
1956-11-16 |
1960-10-04 |
Mac Farland Aveyard & Company |
Auxiliary filtration means for filter-type cigarettes
|
US2979058A
(en)
*
|
1957-01-15 |
1961-04-11 |
Olin Mathieson |
Manufacture of laminated filter tip
|
US2958328A
(en)
*
|
1957-05-27 |
1960-11-01 |
Frank T Bartolomeo |
Smoking articles
|
US2954773A
(en)
*
|
1958-01-23 |
1960-10-04 |
Mac Farland Aveyard & Company |
Cigarette filters and method of making same
|
US2954785A
(en)
*
|
1958-05-28 |
1960-10-04 |
Mac Farland Aveyard & Company |
Device for removal of tar and other deleterious substances from tobacco smoke
|
US3045680A
(en)
*
|
1958-09-30 |
1962-07-24 |
Millard F Smith |
Smoke filtering device
|
US3059649A
(en)
*
|
1959-11-20 |
1962-10-23 |
Bernhard Edgar |
Cigarette structure
|
US3242925A
(en)
*
|
1960-02-15 |
1966-03-29 |
Thomas A Sterne |
Cigarette manufacture
|
US3270750A
(en)
*
|
1960-09-16 |
1966-09-06 |
Robert A Campbell |
Adjustable-filter cigarette
|
FR1322254A
(fr)
*
|
1962-02-14 |
1963-03-29 |
|
Cigare à deux étages et cigarette à deux étages
|
GB1083761A
(en)
|
1964-05-27 |
1967-09-20 |
Battelle Memorial Institute |
Improvements relating to inhaling and smoking devices
|
US3324862A
(en)
*
|
1964-08-31 |
1967-06-13 |
Simone Bessie De |
Smoking device
|
US3349776A
(en)
*
|
1964-12-04 |
1967-10-31 |
Bell |
Low-temperature cigarette
|
FR1446636A
(fr)
|
1965-01-11 |
1966-07-22 |
Rech S Tech Ets De |
Procédé pour noyer des corps capillaires dans une matière de remplissage
|
CH468797A
(de)
|
1965-01-11 |
1969-02-28 |
De Rech S Tech Ets |
Filterstöpsel für Tabakwaren, insbesondere für Zigaretten
|
US3356094A
(en)
*
|
1965-09-22 |
1967-12-05 |
Battelle Memorial Institute |
Smoking devices
|
US3347245A
(en)
*
|
1965-12-27 |
1967-10-17 |
Edward J Hawkins |
Filter cigarette
|
US3389705A
(en)
*
|
1966-04-29 |
1968-06-25 |
Levavi David |
Cigarette smoke filter device
|
US3438381A
(en)
*
|
1967-02-01 |
1969-04-15 |
Edith A Hale |
Filter for tobacco products
|
US3428050A
(en)
*
|
1967-02-21 |
1969-02-18 |
Walter R Kandel |
Filter cigarette of adjustable filter capacity
|
US3490461A
(en)
*
|
1967-04-20 |
1970-01-20 |
Philip Morris Inc |
Cigarette ventilation
|
GB1228747A
(fr)
*
|
1967-09-07 |
1971-04-15 |
|
|
US3605756A
(en)
*
|
1967-10-09 |
1971-09-20 |
Herman V D Stewart |
Adjustable filter cigarette
|
US3496946A
(en)
*
|
1968-04-12 |
1970-02-24 |
David B Griffith |
Filter means
|
US3533416A
(en)
*
|
1968-05-08 |
1970-10-13 |
American Filtrona Corp |
Tobacco smoke filter
|
US3502087A
(en)
*
|
1968-07-05 |
1970-03-24 |
Ernest J Romano |
Cigarette filter
|
US3546325A
(en)
*
|
1968-11-19 |
1970-12-08 |
Celfil Co |
Method of manufacturing filter ropes
|
GB1265966A
(fr)
*
|
1968-11-27 |
1972-03-08 |
|
|
US3599646A
(en)
*
|
1969-04-30 |
1971-08-17 |
American Filtrona Corp |
Cigarette filter
|
US3685523A
(en)
*
|
1969-06-27 |
1972-08-22 |
Molins Machine Co Ltd |
Tobacco smoke filter
|
US3628540A
(en)
*
|
1969-08-15 |
1971-12-21 |
Reynolds Tobacco Co R |
Filter cigarette
|
US3596664A
(en)
*
|
1969-09-22 |
1971-08-03 |
Reynolds Tobacco Co R |
Filter cigarette
|
US3631864A
(en)
*
|
1969-10-10 |
1972-01-04 |
Reynolds Tobacco Co R |
Cigarette filter
|
US3621851A
(en)
*
|
1969-11-26 |
1971-11-23 |
Kata Mfg & Filtering Co |
Filter for smoker's article
|
US3905377A
(en)
*
|
1970-01-23 |
1975-09-16 |
George Alexandre Yatrides |
Cigarette having a blind conduit
|
US3648712A
(en)
*
|
1970-01-29 |
1972-03-14 |
Celanese Corp |
Cigarette filter construction
|
US3612064A
(en)
*
|
1970-02-09 |
1971-10-12 |
Reynolds Tobacco Co R |
Smoke filter
|
US3651819A
(en)
*
|
1970-03-09 |
1972-03-28 |
Reynolds Tobacco Co R |
Smoke filter
|
US3631867A
(en)
*
|
1970-05-15 |
1972-01-04 |
Reynolds Tobacco Co R |
Smoke filter
|
US3674036A
(en)
*
|
1970-07-13 |
1972-07-04 |
Fidel Vega |
Cigarette smoking means
|
US3841338A
(en)
*
|
1970-07-23 |
1974-10-15 |
British American Tobacco Co |
Tobacco-smoke filters
|
US3628543A
(en)
*
|
1970-08-20 |
1971-12-21 |
Elliott T Bemont |
Cigarette holder and filter tube
|
US3768489A
(en)
*
|
1970-10-05 |
1973-10-30 |
Eastman Kodak Co |
Tobacco smoke filter
|
US3805682A
(en)
*
|
1970-12-24 |
1974-04-23 |
American Filtrona Corp |
Method of making tobacco smoke filters
|
NL173352C
(nl)
*
|
1971-02-01 |
|
Imp Tobacco Group Ltd |
Werkwijze voor de vervaardiging van een filter voor tabaksrook.
|
GB1347081A
(en)
*
|
1971-03-12 |
1974-02-13 |
British American Tobacco Co |
Production of tobacco-smoke filters
|
US3854384A
(en)
*
|
1971-05-24 |
1974-12-17 |
Brown & Williamson Tobacco |
Method of making tobacco smoke filters
|
US3789855A
(en)
*
|
1971-06-22 |
1974-02-05 |
Liggett & Myers Inc |
High flavor impact, low smoke yield cigarette mouthpiece
|
US3756249A
(en)
*
|
1971-09-23 |
1973-09-04 |
Kimberly Clark Co |
Smokable article having internal air passageway
|
US3774622A
(en)
*
|
1971-11-16 |
1973-11-27 |
K Steigerwald |
Device,particularly a cigarette,for smoking a cord of smokable material
|
US3752165A
(en)
*
|
1971-12-20 |
1973-08-14 |
G Harllee |
Smoke filter plug and process and cigarette made therefrom
|
US3773053A
(en)
*
|
1972-01-24 |
1973-11-20 |
Philip Morris Inc |
Cigarette with controlled smoking profile
|
US3756250A
(en)
*
|
1972-06-30 |
1973-09-04 |
D Morgenstern |
Filtered cigarettes
|
US3847161A
(en)
*
|
1972-06-30 |
1974-11-12 |
D Morgenstern |
Filtered cigarettes
|
US3811451A
(en)
*
|
1972-09-11 |
1974-05-21 |
American Filtrona Corp |
Tobacco smoke filter
|
GB1410048A
(en)
*
|
1972-11-13 |
1975-10-15 |
British American Tobacco Co |
Filters for tobacco smoke
|
US3910288A
(en)
*
|
1973-02-27 |
1975-10-07 |
Brown & Williamson Tobacco |
Programmed filter
|
CA1007536A
(en)
|
1973-07-09 |
1977-03-29 |
Leslie E. Payne |
Filter element for cigarettes
|
US3860011A
(en)
*
|
1973-08-27 |
1975-01-14 |
Liggett & Myers Inc |
Hollow filter
|
US4179323A
(en)
*
|
1973-08-27 |
1979-12-18 |
Liggett Group Inc. |
Method for making a hollow filter rod
|
US4027679A
(en)
*
|
1974-12-19 |
1977-06-07 |
Joseph Kaswan |
Tobacco product
|
US4022221A
(en)
*
|
1975-10-31 |
1977-05-10 |
American Filtrona Corporation |
Tobacco smoke filter
|
US4026306A
(en)
*
|
1975-11-06 |
1977-05-31 |
American Filtrona Corporation |
Tobacco smoke filter
|
US4022222A
(en)
*
|
1975-11-06 |
1977-05-10 |
American Filtrona Corporation |
Tobacco smoke filter
|
GB1527705A
(en)
*
|
1976-03-01 |
1978-10-11 |
Liggett & Myers Inc |
Cigarette filter
|
US4109666A
(en)
*
|
1976-03-01 |
1978-08-29 |
Liggett Group Inc. |
Cigarette filter
|
GB1508084A
(en)
*
|
1976-03-17 |
1978-04-19 |
British American Tobacco Co |
Tobacco-smoke filters
|
US4037524A
(en)
*
|
1976-11-08 |
1977-07-26 |
Liggett Group Inc. |
Apparatus for combining a tube with a cigarette filter
|
US4116602A
(en)
*
|
1977-02-01 |
1978-09-26 |
Liggett Group Inc. |
Apparatus for compacting multi-sectional particulate containing filters
|
CA1096737A
(fr)
*
|
1977-03-14 |
1981-03-03 |
Jan Van Tilburg |
Filtre de fumee
|
US4086846A
(en)
*
|
1977-03-29 |
1978-05-02 |
Liggett Group Inc. |
Apparatus and method to sense and adjust the relative position of hollow tubes within a continuous filter
|
NL7712441A
(nl)
*
|
1977-11-11 |
1979-05-15 |
Laurens Sigaretten |
Sigarettefilter en filtersigaret.
|
AU4119078A
(en)
|
1977-11-18 |
1980-05-08 |
Philip Morris Inc |
Filter system
|
US4256122A
(en)
*
|
1979-04-11 |
1981-03-17 |
Brown & Williamson Tobacco Corporation |
Cigarette filter
|
US4413641A
(en)
*
|
1979-09-07 |
1983-11-08 |
Philip Morris Incorporated |
Cigarette mouthpiece
|
ZA806098B
(en)
*
|
1979-10-26 |
1981-09-30 |
British American Tobacco Co |
Smoking articles
|
US4340072A
(en)
*
|
1979-11-16 |
1982-07-20 |
Imperial Group Limited |
Smokeable device
|
CA1156533A
(fr)
*
|
1980-05-01 |
1983-11-08 |
Henry G. Horsewell |
Articles pour fumeurs
|
US4331166A
(en)
*
|
1980-05-02 |
1982-05-25 |
Philip Morris, Incorporated |
Cigarette
|
US4508525A
(en)
*
|
1980-05-27 |
1985-04-02 |
American Filtrona Corporation |
Method and apparatus for producing tobacco smoke filter having improved tar/carbon monoxide ratio
|
US4357950A
(en)
*
|
1980-05-27 |
1982-11-09 |
American Filtrona Corporation |
Tobacco smoke filter having improved tar/carbon monoxide ratio
|
US4388934A
(en)
*
|
1980-06-18 |
1983-06-21 |
British-American Tobacco Company Limited |
Filters
|
GB2078487B
(en)
|
1980-06-21 |
1983-09-14 |
Imp Group Ltd |
Modified cigarettes
|
TR21005A
(tr)
*
|
1980-11-21 |
1983-05-01 |
Brown & Williamson Tobacco |
Duman gecirmez bir sargi ile ihata edilmis mesamath bir filtre cubugunu ihtiva eden bir sigara filtresi
|
US4343319A
(en)
*
|
1980-11-28 |
1982-08-10 |
Brown & Williamson Tobacco Corporation |
Cigarette filter
|
US4342322A
(en)
*
|
1980-12-22 |
1982-08-03 |
Brown & Williamson Tobacco Corporation |
Cigarette filter
|
GB2091078B
(en)
|
1981-01-15 |
1984-11-21 |
Filtrona Ltd |
Ventilated cigarette filter
|
DE3105456C2
(de)
*
|
1981-02-14 |
1985-08-14 |
Fabriques de Tabac Réunies S.A., Neuchâtel |
Verfahren zum Herstellen eines stabförmigen, rauchbaren Artikels und Vorrichtung zur Ausübung dieses Verfahrens
|
US4386618A
(en)
*
|
1981-06-29 |
1983-06-07 |
Brown & Williamson Tobacco Corporation |
Cigarette filter
|
US4984588A
(en)
|
1981-09-14 |
1991-01-15 |
Philip Morris Incorporated |
Low delivery cigarette
|
KR840001262A
(ko)
*
|
1981-09-21 |
1984-04-30 |
라리 씨이. 아모스 |
담배 휠터
|
US4488563A
(en)
*
|
1982-04-29 |
1984-12-18 |
Mitsubishi Acetate Co., Ltd. |
Filter plug
|
US4438776A
(en)
*
|
1982-06-24 |
1984-03-27 |
Brown & Williamson Tobacco Corporation |
Cigarette filter
|
JPS6048156B2
(ja)
|
1982-07-07 |
1985-10-25 |
三菱アセテート株式会社 |
タバコスモ−クフイルタ−
|
US4564030A
(en)
*
|
1982-07-16 |
1986-01-14 |
Loew's Theatres, Inc. |
Cigarette filter assembly
|
US4527572A
(en)
*
|
1983-02-07 |
1985-07-09 |
Brown & Williamson Tobacco Corporation |
Tobacco smoke filters
|
GB2135865A
(en)
|
1983-03-03 |
1984-09-12 |
Filtrona Ltd |
Tobacco smoke filter
|
US4515170A
(en)
*
|
1983-05-09 |
1985-05-07 |
Brown & Williamson Tobacco Corporation |
Ventilated mouthpiece for a smoking article
|
US4506683A
(en)
*
|
1983-05-09 |
1985-03-26 |
Brown & Williamson Tobacco Corporation |
Ventilated mouthpiece for a smoking article
|
US4542754A
(en)
*
|
1983-12-05 |
1985-09-24 |
Brown & Williamson Tobacco Corporation |
Filtered cigarette
|
US4580584A
(en)
*
|
1984-02-21 |
1986-04-08 |
Brown & Williamson Tobacco Corporation |
Cigarette filter
|
US4620553A
(en)
|
1984-05-22 |
1986-11-04 |
Imperial Group Public Limited Company |
Tobacco smoke filters
|
EP0167863B1
(fr)
|
1984-06-20 |
1988-01-07 |
H.F. & Ph.F. Reemtsma GmbH & Co |
Filtre de cigarette à ventilation variable
|
GB8415972D0
(en)
|
1984-06-22 |
1984-07-25 |
British American Tobacco Co |
Smoking article mouthpiece elements
|
US4582072A
(en)
*
|
1984-06-25 |
1986-04-15 |
Brown & Williamson Tobacco Corporation |
Cigarette filter
|
US4585015A
(en)
|
1984-11-16 |
1986-04-29 |
Brown & Williamson Tobacco Corporation |
Cigarette filter
|
GB8429104D0
(en)
|
1984-11-17 |
1984-12-27 |
British American Tobacco Co |
Tobacco smoke filters
|
GB8506594D0
(en)
|
1985-03-14 |
1985-04-17 |
British American Tobacco Co |
Smoking article filters
|
GB8518385D0
(en)
|
1985-07-20 |
1985-08-29 |
British American Tobacco Co |
Tobacco smoke filters
|