Inventor · disambiguated record
Roger J. Morrell
Also filed as: LARSON WILLIAM C · MORRELL ROGER J · MORRELL ROGER JAMES
14 granted patents·484 citations·filing 1975–1999
94Inventor score
Top patents by PatentIndex Score
14 records- 0195US4072015ABorehole aerostatic ground support systemUS INTERIOR·Filed 1976·Granted Feb 7, 1978·47 cites·5 claims
- 0291US4222611AIn-situ leach mining method using branched single well for input and outputUS INTERIOR·Filed 1979·Granted Sep 16, 1980·86 cites·2 claims
- 0390US5003144AMicrowave assisted hard rock cuttingUS INTERIOR·Filed 1990·Granted Mar 26, 1991·97 cites·1 claims
- 0488US5078219AConcave drag bit cutter device and methodUS INTERIOR·Filed 1990·Granted Jan 7, 1992·71 cites·8 claims
- 0585US4074778ASquare hole drillUS INTERIOR·Filed 1976·Granted Feb 21, 1978·47 cites·9 claims
- 0681US4249777AMethod of in situ miningUS INTERIOR·Filed 1979·Granted Feb 10, 1981·49 cites·4 claims
- 0775US3971226APrestressed roof support systemUS INTERIOR·Filed 1975·Granted Jul 27, 1976·16 cites·5 claims
- 0866US6050344ARotary garden toolFiled 1999·Granted Apr 18, 2000·26 cites·3 claims
- 0951US5474364AShotgun cartridge rock breakerUS ARMY·Filed 1994·Granted Dec 12, 1995·20 cites·20 claims
- 1041US4501448AUniversal ripper minerUS INTERIOR·Filed 1983·Granted Feb 26, 1985·4 cites·9 claims
- 1138US5335977ADouble acting bit holderUS ARMY·Filed 1993·Granted Aug 9, 1994·11 cites·9 claims
- 1234US5123710AImpact assisted segmented cutterheadUS INTERIOR·Filed 1991·Granted Jun 23, 1992·4 cites·20 claims
- 1333US5013093AUniversal ripper minerUS INTERIOR·Filed 1989·Granted May 7, 1991·5 cites·10 claims
- 1429US3958650ADrilling system using weight of mudUS INTERIOR·Filed 1975·Granted May 25, 1976·1 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →