Inventor · disambiguated record
Duane M. Gibson
Also filed as: GIBSON DUANE M · SCOTT LEWIS A
16 granted patents·378 citations·filing 1976–1999
95Inventor score
Top patents by PatentIndex Score
16 records- 0192US4316327AChain sawOMARK INDUSTRIES INC·Filed 1979·Granted Feb 23, 1982·53 cites·15 claims
- 0289US4272889APortable sawOMARK INDUSTRIES INC·Filed 1979·Granted Jun 16, 1981·44 cites·18 claims
- 0383US4581968ASaw chain with improved cutting depth controlOMARK INDUSTRIES INC·Filed 1984·Granted Apr 15, 1986·42 cites·18 claims
- 0480US5896670AChain tensioner for chain sawBLOUNT INC·Filed 1997·Granted Apr 27, 1999·48 cites·7 claims
- 0578US4627165AHand held cutting toolsOMARK INDUSTRIES INC·Filed 1985·Granted Dec 9, 1986·35 cites·7 claims
- 0674US4535667ASaw chainOMARK INDUSTRIES INC·Filed 1982·Granted Aug 20, 1985·20 cites·21 claims
- 0770US4530258ASaw chain sharpening method and apparatusOMARK INDUSTRIES INC·Filed 1983·Granted Jul 23, 1985·22 cites·49 claims
- 0868US5987786AGuide bar mount for a tree harvesterBLOUNT INC·Filed 1998·Granted Nov 23, 1999·25 cites·8 claims
- 0959US3987544AChain saw guide bar with detachable noseOMARK INDUSTRIES INC·Filed 1976·Granted Oct 26, 1976·13 cites·4 claims
- 1056US4785700ACutter link for saw chain having guide surface for sharpeningBLOUNT INC·Filed 1987·Granted Nov 22, 1988·16 cites·5 claims
- 1154US4194544ASplitting deviceOMARK INDUSTRIES INC·Filed 1978·Granted Mar 25, 1980·11 cites·7 claims
- 1253US5412873AReciprocating hedge trimmer tool having cutting teeth with asymmetrical guard portionsBLOUNT INC·Filed 1993·Granted May 9, 1995·15 cites·6 claims
- 1351US6148547AChain saw guide bar for tree harvesterBLOUNT INC·Filed 1999·Granted Nov 21, 2000·14 cites·10 claims
- 1450US4497232ACutting tool with cutting tooth insertOMARK INDUSTRIES INC·Filed 1983·Granted Feb 5, 1985·10 cites·6 claims
- 1549US4501184ACutting tool with improved depth controlOMARK INDUSTRIES INC·Filed 1983·Granted Feb 26, 1985·10 cites·8 claims
- 1630US4331028AMethod and apparatus for determining the sharpness of a saw chainOMARK INDUSTRIES INC·Filed 1980·Granted May 25, 1982·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →