Assignee
LIGGETT GROUP INC
US·35 granted patents·974 citations·filing 1976–1982
Top patents by PatentIndex Score
35 records- 0191US4252527AGlue transfer apparatus for cigarette filtersLIGGETT GROUP INC·Filed 1979·Granted Feb 24, 1981·53 cites·1 claims
- 0290US4179323AMethod for making a hollow filter rodLIGGETT GROUP INC·Filed 1977·Granted Dec 18, 1979·49 cites·1 claims
- 0390US4174720AGlue transfer apparatus for cigarette filtersLIGGETT GROUP INC·Filed 1977·Granted Nov 20, 1979·78 cites·8 claims
- 0488US4248251ATobacco compositionLIGGETT GROUP INC·Filed 1979·Granted Feb 3, 1981·61 cites·3 claims
- 0584US4208956AGlue transfer apparatus for cigarette filtersLIGGETT GROUP INC·Filed 1978·Granted Jun 24, 1980·52 cites·6 claims
- 0682US4434805AApplicator for applying glue to a travelling stream of tipping paperLIGGETT GROUP INC·Filed 1982·Granted Mar 6, 1984·42 cites·7 claims
- 0782US4425107ARotatable dispensing wheelLIGGETT GROUP INC·Filed 1981·Granted Jan 10, 1984·57 cites·21 claims
- 0882US4361156AMethod and applicator for applying glue to a travelling stream of tipping paperLIGGETT GROUP INC·Filed 1980·Granted Nov 30, 1982·55 cites·13 claims
- 0982US4184412APocket-type charcoal filter and cigarette made therewithLIGGETT GROUP INC·Filed 1978·Granted Jan 22, 1980·43 cites·18 claims
- 1082US4063633AVacuum plug feed machineLIGGETT GROUP INC·Filed 1976·Granted Dec 20, 1977·45 cites·7 claims
- 1178US4411640AApparatus for the production of cigarette filter tips having multi-sectional constructionLIGGETT GROUP INC·Filed 1981·Granted Oct 25, 1983·48 cites·17 claims
- 1277US4232574AApparatus and method for providing a cigarette filter with an aeration grooveLIGGETT GROUP INC·Filed 1977·Granted Nov 11, 1980·25 cites·18 claims
- 1376US4090424AApparatus for cutting filter plugs from a moving filter rod streamLIGGETT GROUP INC·Filed 1977·Granted May 23, 1978·29 cites·1 claims
- 1475US4177822ATobacco compositionLIGGETT GROUP INC·Filed 1977·Granted Dec 11, 1979·33 cites·9 claims
- 1574US4091823ACyclogeraniol and derivatives thereof as tobacco flavorantsLIGGETT GROUP INC·Filed 1976·Granted May 30, 1978·11 cites·24 claims
- 1672US4257430ATobacco composition including palladiumLIGGETT GROUP INC·Filed 1979·Granted Mar 24, 1981·34 cites·8 claims
- 1771US4216784ATobacco compositionLIGGETT GROUP INC·Filed 1977·Granted Aug 12, 1980·27 cites·8 claims
- 1868US4171635AApparatus for measuring smoke dilution in a vented-filter cigaretteLIGGETT GROUP INC·Filed 1978·Granted Oct 23, 1979·27 cites·14 claims
- 1967US4332823AFabricated meat and meat by-products and processLIGGETT GROUP INC·Filed 1980·Granted Jun 1, 1982·36 cites·9 claims
- 2060US4063494AApparatus for making filter rods for cigarettesLIGGETT GROUP INC·Filed 1977·Granted Dec 20, 1977·14 cites·17 claims
- 2159US4037524AApparatus for combining a tube with a cigarette filterLIGGETT GROUP INC·Filed 1976·Granted Jul 26, 1977·16 cites·17 claims
- 2257US4235251AStability of tobacco casing systems containing palladiumLIGGETT GROUP INC·Filed 1979·Granted Nov 25, 1980·18 cites·12 claims
- 2356US4219030AAeration groove filterLIGGETT GROUP INC·Filed 1978·Granted Aug 26, 1980·14 cites·5 claims
- 2455US4371558ASemi-moist dog food preparationLIGGETT GROUP INC·Filed 1981·Granted Feb 1, 1983·27 cites·7 claims
- 2552US4149545ACigarette making and packing systemLIGGETT GROUP INC·Filed 1977·Granted Apr 17, 1979·13 cites·8 claims
- 2651US4369796AMethod and apparatus for forming an air dilution filterLIGGETT GROUP INC·Filed 1980·Granted Jan 25, 1983·11 cites·4 claims
- 2751US4116602AApparatus for compacting multi-sectional particulate containing filtersLIGGETT GROUP INC·Filed 1978·Granted Sep 26, 1978·14 cites·3 claims
- 2848US4086846AApparatus and method to sense and adjust the relative position of hollow tubes within a continuous filterLIGGETT GROUP INC·Filed 1977·Granted May 2, 1978·10 cites·10 claims
- 2947US4385536AApparatus for forming an aeration groove in a filterLIGGETT GROUP INC·Filed 1982·Granted May 31, 1983·9 cites·9 claims
- 3037US4183362ADecreasing the burn rate of smoking tobaccosLIGGETT GROUP INC·Filed 1978·Granted Jan 15, 1980·5 cites·15 claims
- 3133US4157370AApparatus and method for compacting multi-sectional particulate containing filtersLIGGETT GROUP INC·Filed 1978·Granted Jun 5, 1979·9 cites·2 claims
- 3232US4319585A7-Methyl-1,2-benzopyrone as a tobacco flavorantLIGGETT GROUP INC·Filed 1980·Granted Mar 16, 1982·2 cites·5 claims
- 3330US4163453A7-Alkoxy-1,2-benzopyrones as tobacco flavorantsLIGGETT GROUP INC·Filed 1976·Granted Aug 7, 1979·3 cites·12 claims
- 3429USD250789SSimulated cigarette package display panelLIGGETT GROUP INC·Filed 1976·Granted Jan 9, 1979·3 cites·1 claims
- 3525US4185393ADevice for measuring the circumference of a cylindrical rodLIGGETT GROUP INC·Filed 1978·Granted Jan 29, 1980·1 cites·13 claims
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