Inventor · disambiguated record
Robert Bristol
Also filed as: BRISTOL ROBERT D · BRISTOL ROBERT L
5 granted patents·2 pending applications·97 citations·filing 1978–2006
82Inventor score
Top patents by PatentIndex Score
7 records- 0178US4211082AInternal combustion engine with free floating auxiliary pistonBRISTOL ROBERT D·Filed 1978·Granted Jul 8, 1980·42 cites·15 claims
- 0260US4363299ACrankless internal combustion engineBRISTOL ROBERT D·Filed 1980·Granted Dec 14, 1982·18 cites·13 claims
- 0356US4465042ACrankless internal combustion engineBRISTOL ROBERT D·Filed 1982·Granted Aug 14, 1984·15 cites·29 claims
- 0452US4321904AInternal combustion engine with auxiliary combustion chamberBRISTOL ROBERT D·Filed 1980·Granted Mar 30, 1982·14 cites·12 claims
- 0550US4401068AApparatus for split engine operationBRISTOL ROBERT D·Filed 1980·Granted Aug 30, 1983·8 cites·21 claims
- 0642US2007231713A1Anti-reflective coating for out-of-band illumination with lithography optical systemsBRISTOL ROBERT L·Filed 2006·Application pending·0 cites
- 0742US2007231751A1Photoresist top coat out-of-band illumination filter for photolithographyBRISTOL ROBERT L·Filed 2006·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →