Assignee
TOBACCO RES & DEV
LI·12 granted patents·304 citations·filing 1974–1997
Top patents by PatentIndex Score
12 records- 0191US5044550AFlip-top cartonsTOBACCO RES & DEV·Filed 1990·Granted Sep 3, 1991·131 cites·6 claims
- 0260US5435439ACigarette pack lifting stripTOBACCO RES & DEV·Filed 1993·Granted Jul 25, 1995·33 cites·8 claims
- 0358US4611676AWeighbelt apparatusTOBACCO RES & DEV·Filed 1985·Granted Sep 16, 1986·20 cites·3 claims
- 0458US4135521ATobacco products and methods for their preparationTOBACCO RES & DEV·Filed 1977·Granted Jan 23, 1979·24 cites·8 claims
- 0555US3955406ANon-destructive hardness testing of articles such as cigarettesTOBACCO RES & DEV·Filed 1974·Granted May 11, 1976·10 cites·2 claims
- 0652US4010762ACigarette rod condition determiningTOBACCO RES & DEV·Filed 1976·Granted Mar 8, 1977·14 cites·6 claims
- 0750US4702263ATobacco smoke filtersTOBACCO RES & DEV·Filed 1986·Granted Oct 27, 1987·18 cites·3 claims
- 0849US4336660ADrying of tobacco productsTOBACCO RES & DEV·Filed 1980·Granted Jun 29, 1982·14 cites·4 claims
- 0948US5092107AMethod of making flip-top cartonsTOBACCO RES & DEV·Filed 1991·Granted Mar 3, 1992·21 cites·1 claims
- 1041US4509609AWeighbelt apparatusTOBACCO RES & DEV·Filed 1983·Granted Apr 9, 1985·10 cites·14 claims
- 1136US4903712ACigarettes and methods of making themTOBACCO RES & DEV·Filed 1989·Granted Feb 27, 1990·7 cites·3 claims
- 1214US6053174AMethod and apparatus for the enhancement of tobaccoTOBACCO RES & DEV·Filed 1997·Granted Apr 25, 2000·2 cites·16 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →