US2511898A
(en)
*
|
|
1950-06-20 |
|
Cigarette holder |
US2592554A
(en)
*
|
1946-08-24 |
1952-04-15 |
Gen Cigar Co |
Resilient tobacco product and method of making the same
|
US2547119A
(en)
*
|
1947-04-08 |
1951-04-03 |
James J Henderson |
Cigarette
|
US2598680A
(en)
*
|
1947-06-13 |
1952-06-03 |
Gen Cigar Co |
Tobacco product and method of manufacture
|
US2592553A
(en)
*
|
1950-01-30 |
1952-04-15 |
Gen Cigar Co |
Tobacco products and processes therefor
|
US2764513A
(en)
|
1954-04-02 |
1956-09-25 |
Abe R Brothers |
Cigarette with means for removing deleterious products of combustion
|
US2769734A
(en)
|
1955-07-14 |
1956-11-06 |
Int Cigar Mach Co |
Tobacco sheet material and method of forming
|
US2954778A
(en)
|
1956-11-16 |
1960-10-04 |
Mac Farland Aveyard & Company |
Auxiliary filtration means for filter-type cigarettes
|
US2954772A
(en)
|
1957-05-28 |
1960-10-04 |
Mac Farland Aveyard & Company |
Removal of tar and other deleterious substances from tobacco smoke
|
US2954786A
(en)
|
1958-05-19 |
1960-10-04 |
Macfarland Aveyard & Company |
Tobacco tar removal structure
|
US2954783A
(en)
|
1958-06-12 |
1960-10-04 |
Mac Farland Aveyard & Company |
Filter type tobacco smoking structure for removal of tar
|
US3098492A
(en)
*
|
1960-11-25 |
1963-07-23 |
Nat Starch Chem Corp |
Method of making tobacco product
|
NL282359A
(ru)
*
|
1961-09-19 |
|
|
|
US3255760A
(en)
*
|
1962-08-03 |
1966-06-14 |
Kimberly Clark Co |
Tobacco product which produces less tars
|
CH426594A
(de)
|
1964-03-10 |
1966-12-15 |
Ent Keller Hans |
Filteranordnung für Rauchwaren
|
GB1058342A
(ru)
|
1964-04-20 |
1967-02-08 |
|
|
US3283762A
(en)
|
1964-05-14 |
1966-11-08 |
Michael S Kissel |
Aeratable cigarette
|
US3323525A
(en)
*
|
1964-07-14 |
1967-06-06 |
Achilles Corp |
Cigarette holder
|
US3318312A
(en)
*
|
1964-07-27 |
1967-05-09 |
Jr Joseph A Curtis |
Cigarette assembly
|
US3234949A
(en)
*
|
1964-09-18 |
1966-02-15 |
Oswald C Svehaug |
Cigarette construction
|
US3292635A
(en)
|
1964-10-22 |
1966-12-20 |
Maxwell H Kolodny |
Integral cigarette-cigarette holder
|
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
|
US3394713A
(en)
*
|
1965-10-24 |
1968-07-30 |
Philip Morris Inc |
Cigarette filter
|
US3389705A
(en)
*
|
1966-04-29 |
1968-06-25 |
Levavi David |
Cigarette smoke filter device
|
US3441028A
(en)
*
|
1967-03-27 |
1969-04-29 |
Byron T Wall |
Apparatus for and method of removing condensible compounds from tobacco smoke
|
US3496945A
(en)
*
|
1967-03-31 |
1970-02-24 |
Abraham Emil Tomkin |
Air-admixed cigarette utilizing restrictive-flow orifice
|
GB1228747A
(ru)
|
1967-09-07 |
1971-04-15 |
|
|
US3457927A
(en)
*
|
1968-02-20 |
1969-07-29 |
Frank Siragusa |
Filter
|
US3533416A
(en)
*
|
1968-05-08 |
1970-10-13 |
American Filtrona Corp |
Tobacco smoke filter
|
CH493216A
(fr)
|
1968-07-12 |
1970-07-15 |
Delcron Products Inc |
Dispositif pour fumer
|
GB1236344A
(en)
|
1968-08-01 |
1971-06-23 |
Jack Gordon Johnson |
Cigarette filter
|
GB1265966A
(ru)
|
1968-11-27 |
1972-03-08 |
|
|
US3504677A
(en)
*
|
1969-02-19 |
1970-04-07 |
Max J Doppelt |
Cigarette and/or cigarette holder
|
US3599646A
(en)
*
|
1969-04-30 |
1971-08-17 |
American Filtrona Corp |
Cigarette filter
|
US3581748A
(en)
*
|
1969-07-02 |
1971-06-01 |
Int Automated Electronics Corp |
Cigarette filter
|
US3646941A
(en)
*
|
1969-09-15 |
1972-03-07 |
E A Carey Pipe Co |
Cigarette and/or cigarette holder
|
US3759270A
(en)
|
1970-01-21 |
1973-09-18 |
M Wright |
Multi piece filter for smoking device
|
US3648712A
(en)
*
|
1970-01-29 |
1972-03-14 |
Celanese Corp |
Cigarette filter construction
|
US3637447A
(en)
*
|
1970-06-10 |
1972-01-25 |
American Filtrona Corp |
Method of making filter means by crimping and overwrapping a tubular element
|
US3738375A
(en)
*
|
1971-07-08 |
1973-06-12 |
G Doumas |
Adjustable tobacco smoke filter device
|
US3685522A
(en)
*
|
1971-07-16 |
1972-08-22 |
Herbert F Kleinhans |
Cigarette holder
|
US3756249A
(en)
|
1971-09-23 |
1973-09-04 |
Kimberly Clark Co |
Smokable article having internal air passageway
|
GB1428018A
(en)
|
1973-02-27 |
1976-03-17 |
British American Tobacco Co |
Filtering device for a smoking product
|
US4016887A
(en)
*
|
1973-06-21 |
1977-04-12 |
Miroslav Uroshevich |
Two-stage tobacco smoke filter
|
US3860011A
(en)
*
|
1973-08-27 |
1975-01-14 |
Liggett & Myers Inc |
Hollow filter
|
US3931824A
(en)
*
|
1973-09-10 |
1976-01-13 |
Celanese Corporation |
Smoking materials
|
ZA747795B
(en)
|
1973-12-20 |
1975-12-31 |
Tamag Basel Ag |
Smokable products, a process for their production and a device for carrying out the process
|
US3877470A
(en)
*
|
1974-05-02 |
1975-04-15 |
Bio Gant Corp |
Smoker{3 s filter device
|
US4197863A
(en)
*
|
1974-05-02 |
1980-04-15 |
Benjamin Clayton |
Tobacco smoke filter
|
US3968804A
(en)
*
|
1974-05-20 |
1976-07-13 |
Amf Incorporated |
Extruded tobacco sheet
|
US4022222A
(en)
*
|
1975-11-06 |
1977-05-10 |
American Filtrona Corporation |
Tobacco smoke filter
|
US4038994A
(en)
*
|
1975-11-10 |
1977-08-02 |
Aikman Leslie N |
Tobacco smoke filter unit
|
GB1508084A
(en)
*
|
1976-03-17 |
1978-04-19 |
British American Tobacco Co |
Tobacco-smoke filters
|
JPS52154599A
(en)
*
|
1976-06-15 |
1977-12-22 |
Japan Tobacco Inc |
Method for imparting water resistance to molded smoking composition
|
US4091821A
(en)
*
|
1976-11-02 |
1978-05-30 |
Scorzo Samuel P |
Smoking article having an ignition suppression disk
|
US4120310A
(en)
|
1976-12-10 |
1978-10-17 |
Choon Bae Lee |
Filter for cigarettes, cigars and the like
|
US4119105A
(en)
|
1977-01-31 |
1978-10-10 |
Olin Corporation |
Air flow limiting filter
|
CA1096737A
(en)
*
|
1977-03-14 |
1981-03-03 |
Jan Van Tilburg |
Smoke filters
|
US4158364A
(en)
*
|
1977-09-22 |
1979-06-19 |
Albert P. Marinko |
Tobacco smoke filter
|
US4182349A
(en)
*
|
1977-11-04 |
1980-01-08 |
Kimberly-Clark Corporation |
Method of making reconstituted tobacco
|
US4256126A
(en)
*
|
1978-08-02 |
1981-03-17 |
Philip Morris Incorporated |
Smokable material and its method of preparation
|
US4256122A
(en)
*
|
1979-04-11 |
1981-03-17 |
Brown & Williamson Tobacco Corporation |
Cigarette filter
|
US4622982A
(en)
|
1979-08-20 |
1986-11-18 |
Fabriques De Tabac Reunies S.A. |
Continuous method of denitrating tobacco extracts
|
US4340072A
(en)
*
|
1979-11-16 |
1982-07-20 |
Imperial Group Limited |
Smokeable device
|
US4292983A
(en)
|
1980-04-04 |
1981-10-06 |
Mensik John A |
Filter cartridge assembly
|
CA1156533A
(en)
*
|
1980-05-01 |
1983-11-08 |
Henry G. Horsewell |
Smoking articles
|
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
|
US4469112A
(en)
|
1980-09-08 |
1984-09-04 |
Celanese Corporation |
Compound filter
|
US4460001A
(en)
*
|
1980-09-08 |
1984-07-17 |
Celanese Corporation |
Process for preparing compound filter
|
US4343319A
(en)
*
|
1980-11-28 |
1982-08-10 |
Brown & Williamson Tobacco Corporation |
Cigarette filter
|
ES255077Y
(es)
|
1980-12-17 |
1981-11-16 |
|
Filtro por impacto para cigarrillos emboquillados
|
US4341228A
(en)
*
|
1981-01-07 |
1982-07-27 |
Philip Morris Incorporated |
Method for employing tobacco dust in a paper-making type preparation of reconstituted tobacco and the smoking material produced thereby
|
US4637409A
(en)
*
|
1981-05-07 |
1987-01-20 |
American Filtrona Corporation |
Tobacco smoke filter and method and apparatus for making same
|
US4784632A
(en)
|
1981-05-07 |
1988-11-15 |
American Filtrona Corporation |
Tobacco smoke filter and method and apparatus for making same
|
US4421126A
(en)
|
1981-06-04 |
1983-12-20 |
Philip Morris Incorporated |
Process for utilizing tobacco fines in making reconstituted tobacco
|
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
|
US5392793A
(en)
*
|
1981-10-25 |
1995-02-28 |
Rothmans International Services Limited |
Smoking article with means to raise temperature of smoke
|
US4564030A
(en)
*
|
1982-07-16 |
1986-01-14 |
Loew's Theatres, Inc. |
Cigarette filter assembly
|
ZA834186B
(en)
|
1982-07-29 |
1984-07-25 |
Terasaki Masahiro |
Cigarette holder with tar collecting means
|
US4649944A
(en)
*
|
1982-09-30 |
1987-03-17 |
Philip Morris Incorporated |
Filter cigarette
|
US5060676A
(en)
|
1982-12-16 |
1991-10-29 |
Philip Morris Incorporated |
Process for making a carbon heat source and smoking article including the heat source and a flavor generator
|
GB8309451D0
(en)
*
|
1983-04-07 |
1983-05-11 |
Gallaher Ltd |
Buccal and device for smoking rod
|
GB8329501D0
(en)
|
1983-11-04 |
1983-12-07 |
British American Tobacco Co |
Smoking articles
|
US4506683A
(en)
*
|
1983-05-09 |
1985-03-26 |
Brown & Williamson Tobacco Corporation |
Ventilated mouthpiece for a smoking article
|
US4515170A
(en)
*
|
1983-05-09 |
1985-05-07 |
Brown & Williamson Tobacco Corporation |
Ventilated mouthpiece for a smoking article
|
US4559955A
(en)
|
1983-06-20 |
1985-12-24 |
Link Electronics Ltd |
Controlled air bleed cigarette holder
|
US4646762A
(en)
*
|
1983-12-05 |
1987-03-03 |
Brown & Williamson Tobacco Corporation |
Cigarette having a mouthpiece
|
US4620553A
(en)
|
1984-05-22 |
1986-11-04 |
Imperial Group Public Limited Company |
Tobacco smoke filters
|
US4542755A
(en)
|
1984-05-25 |
1985-09-24 |
Kimberly-Clark Corporation |
Dry-forming of reconstituted tobacco and resulting product
|
US4793365A
(en)
|
1984-09-14 |
1988-12-27 |
R. J. Reynolds Tobacco Company |
Smoking article
|
US4617946A
(en)
*
|
1984-11-09 |
1986-10-21 |
Brown & Williamson Tobacco Corporation |
Tobacco smoke mouthpiece and method of making same
|
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
|
NL191233C
(nl)
|
1985-05-20 |
1995-04-03 |
Tobacco Res & Dev |
Sigaret met blokkeerbare luchtinlaat.
|
GB8518385D0
(en)
*
|
1985-07-20 |
1985-08-29 |
British American Tobacco Co |
Tobacco smoke filters
|
US4817638A
(en)
|
1985-08-01 |
1989-04-04 |
Philip Morris Incorporated |
Apparatus for adjusting a cigarette having variable smoking characteristics
|
CH669309A5
(ru)
*
|
1985-08-26 |
1989-03-15 |
Baumgartner Papiers Sa |
|
US4677992A
(en)
*
|
1986-02-10 |
1987-07-07 |
Bliznak Bedrich V |
Smoking apparatus having convoluted filtering/heat-reduction passageway
|
US4687008A
(en)
|
1986-04-17 |
1987-08-18 |
Philip Morris Incorporated |
Filter cigarette
|
US4700726A
(en)
|
1986-05-02 |
1987-10-20 |
R. J. Reynolds Tobacco Company |
Cigarette rods having segmented sections
|
US4732168A
(en)
*
|
1986-05-15 |
1988-03-22 |
R. J. Reynolds Tobacco Company |
Smoking article employing heat conductive fingers
|
GB2202422B
(en)
|
1987-03-23 |
1991-09-25 |
Imp Tobacco Co Ltd |
Smoking material and process for making same
|
BE1000454A4
(nl)
|
1987-04-09 |
1988-12-13 |
Tabacofina Nv |
Mondstuk voor sigaretten en dergelijke.
|
GB8713904D0
(en)
*
|
1987-06-15 |
1987-07-22 |
Tabac Fab Reunies Sa |
Filter for smoking articles
|
US4903714A
(en)
|
1987-08-25 |
1990-02-27 |
R. J. Reynolds Tobacco Company |
Smoking article with improved mouthend piece
|
GB8721876D0
(en)
*
|
1987-09-17 |
1987-10-21 |
Rothmans Int Tobacco |
Cigarette filter
|
ATE65165T1
(de)
|
1988-02-10 |
1991-08-15 |
Hans Elstner |
Rauchfilter, insbesondere fuer tabakpfeifen.
|
US4949736A
(en)
*
|
1988-03-16 |
1990-08-21 |
R. J. Reynolds Tobacco Company |
Variable ventilation mouthpiece for a smoking article
|
US4867182A
(en)
|
1988-03-16 |
1989-09-19 |
R. J. Reynolds Tobacco Company |
Temperature/humidity controlled valve for a smoking article
|
US5360023A
(en)
|
1988-05-16 |
1994-11-01 |
R. J. Reynolds Tobacco Company |
Cigarette filter
|
GB8819291D0
(en)
|
1988-08-12 |
1988-09-14 |
British American Tobacco Co |
Improvements relating to smoking articles
|
GB8823902D0
(en)
|
1988-10-12 |
1988-11-16 |
Rothmans Int Tobacco |
Cigarette filter rod elements & cigarettes incorporating such filter rod elements
|
DK499289A
(da)
|
1988-10-12 |
1990-04-13 |
Rothmans Int Tobacco |
Stangelementer til cigaretfiltre og cigaretter udstyret med saadanne stangelementer
|
US4962774A
(en)
|
1988-11-16 |
1990-10-16 |
R. J. Reynolds Tobacco Company |
Tobacco reconstitution process
|
US4924886A
(en)
*
|
1988-11-21 |
1990-05-15 |
Brown & Williamson Tobacco Corporation |
Smoking article
|
US4972854A
(en)
|
1989-05-24 |
1990-11-27 |
Philip Morris Incorporated |
Apparatus and method for manufacturing tobacco sheet material
|
GR1000349B
(el)
|
1989-07-21 |
1992-06-25 |
Bat Cigarettenfab Gmbh |
Φίλτρο Σιγαρέττου.
|
US5101839A
(en)
*
|
1990-08-15 |
1992-04-07 |
R. J. Reynolds Tobacco Company |
Cigarette and smokable filler material therefor
|
US5129408A
(en)
*
|
1990-08-15 |
1992-07-14 |
R. J. Reynolds Tobacco Company |
Cigarette and smokable filler material therefor
|
US5105836A
(en)
*
|
1989-09-29 |
1992-04-21 |
R. J. Reynolds Tobacco Company |
Cigarette and smokable filler material therefor
|
US5152304A
(en)
|
1989-10-31 |
1992-10-06 |
Philip Morris Incorporated |
Wrapper for a smoking article
|
US5099864A
(en)
*
|
1990-01-05 |
1992-03-31 |
R. J. Reynolds Tobacco Company |
Tobacco reconstitution process
|
US5074319A
(en)
|
1990-04-19 |
1991-12-24 |
R. J. Reynolds Tobacco Company |
Tobacco extraction process
|
GB9008887D0
(en)
*
|
1990-04-20 |
1990-06-20 |
Rothmans Benson & Hedges |
Cigarette smoke filter
|
GB9018131D0
(en)
|
1990-08-17 |
1990-10-03 |
Rothmans International Ltd |
Smoking article
|
US5746230A
(en)
*
|
1990-08-24 |
1998-05-05 |
Philip Morris Incorporated |
Concentric smoking filter having discrete tow and web filter media
|
US5178166A
(en)
*
|
1990-09-20 |
1993-01-12 |
Philip Morris Incorporated |
Filter cigarette
|
GB9022530D0
(en)
|
1990-10-17 |
1990-11-28 |
Tabac Fab Reunies Sa |
Filter mouthpiece for smoking articles
|
US5105838A
(en)
*
|
1990-10-23 |
1992-04-21 |
R.J. Reynolds Tobacco Company |
Cigarette
|
GB9023368D0
(en)
|
1990-10-26 |
1990-12-05 |
Rothmans International Ltd |
Smoking article
|
US5203354A
(en)
*
|
1991-06-28 |
1993-04-20 |
Philip Morris Incorporated |
Restructured tobacco dryer
|
US5826592A
(en)
*
|
1991-08-08 |
1998-10-27 |
Rothmans, Benson & Hedges Inc. Et Al. |
Control of cigarette smoke chemistry
|
CA2527939C
(en)
*
|
1992-03-25 |
2008-07-15 |
Japan Tobacco Inc. |
Apparatus for manufacturing components for smoking articles
|
JP3681410B2
(ja)
*
|
1992-04-09 |
2005-08-10 |
フィリップ・モーリス・プロダクツ・インコーポレイテッド |
再構成タバコシート及びその製造法及び使用法
|
US5666976A
(en)
|
1992-09-11 |
1997-09-16 |
Philip Morris Incorporated |
Cigarette and method of manufacturing cigarette for electrical smoking system
|
US5392792A
(en)
*
|
1993-04-13 |
1995-02-28 |
R. J. Reynolds Tobacco Company |
Reduced gas phase cigarette
|
US5404890A
(en)
|
1993-06-11 |
1995-04-11 |
R. J. Reynolds Tobacco Company |
Cigarette filter
|
US5435326A
(en)
*
|
1993-07-27 |
1995-07-25 |
R. J. Reynolds Tobacco Company |
Controlled delivery smoking article and method
|
US5458107A
(en)
|
1994-03-04 |
1995-10-17 |
Balogh; Robert J. |
Flavor cigarettes
|
AU3202895A
(en)
|
1994-07-28 |
1996-02-22 |
Lorillard Tobacco Company |
Hollow smokable article
|
US5533530A
(en)
*
|
1994-09-01 |
1996-07-09 |
R. J. Reynolds Tobacco Company |
Tobacco reconstitution process
|
US5584306A
(en)
|
1994-11-09 |
1996-12-17 |
Beauman; Emory |
Reconstituted tobacco material and method of its production
|
DE19536505A1
(de)
*
|
1995-09-29 |
1997-04-10 |
Biotec Biolog Naturverpack |
Biologisch abbaubares Filtermaterial und Verfahren zu seiner Herstellung
|
US5709227A
(en)
*
|
1995-12-05 |
1998-01-20 |
R. J. Reynolds Tobacco Company |
Degradable smoking article
|
US5839449A
(en)
|
1996-01-29 |
1998-11-24 |
R.J. Reynolds Tobacco Company |
Low CO cigarette
|
US5743251A
(en)
*
|
1996-05-15 |
1998-04-28 |
Philip Morris Incorporated |
Aerosol and a method and apparatus for generating an aerosol
|
DE19718296B4
(de)
|
1997-04-30 |
2006-06-29 |
British American Tobacco (Germany) Gmbh |
Ventilierte Filtercigarette mit einem koaxialen Filterelement
|
DE19722812C2
(de)
*
|
1997-05-30 |
2003-02-13 |
Bat Cigarettenfab Gmbh |
Ultraleicht-Koaxialcigarette mit mehrteiligem Filter
|
IT1297058B1
(it)
*
|
1997-09-23 |
1999-08-03 |
Luparini Alessandro Leonetti |
Sigaretta dotata di dispositivo inerziale-ipobarico atto al trattenimento del catrame contenuto nel fumo di tabacco e/o
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