Inventor · disambiguated record
Robert A. Cunningham
Also filed as: CUNNINGHAM JR ROBERT A · CUNNINGHAM JR ROBERT ASHLEY · CUNNINGHAM ROBERT · CUNNINGHAM ROBERT A
19 granted patents·608 citations·filing 1976–2014
96Inventor score
Top patents by PatentIndex Score
19 records- 0197US4445734ATelemetry drill pipe with pressure sensitive contactsHUGHES TOOL CO·Filed 1981·Granted May 1, 1984·206 cites·8 claims
- 0290US4548431ATool joint with internal/external make-up shouldersHUGHES TOOL CO·Filed 1984·Granted Oct 22, 1985·89 cites·2 claims
- 0382US4983081AApparatus and method for forming shiplap ductGLASS MASTER CORP·Filed 1989·Granted Jan 8, 1991·36 cites·11 claims
- 0477US6099405ADamper blade systemNRG IND INC·Filed 1998·Granted Aug 8, 2000·30 cites·14 claims
- 0574US5548970AAir handling systemNRG IND INC·Filed 1995·Granted Aug 27, 1996·48 cites·2 claims
- 0669US5421938ACircular duct and apparatus and method of fabricationGLASS MASTER CORP·Filed 1992·Granted Jun 6, 1995·35 cites·25 claims
- 0765US4037465AUltrasonic probe system for the bore-side inspection of tubes and welds thereinUS ENERGY·Filed 1976·Granted Jul 26, 1977·24 cites·8 claims
- 0863US4694855ADrill pipe inside blowout preventerHUGHES TOOL CO·Filed 1986·Granted Sep 22, 1987·19 cites·10 claims
- 0959US5186704ADuct forming machineGLASS MASTER CORP·Filed 1992·Granted Feb 16, 1993·20 cites·5 claims
- 1049US5938524ADamper blade systemNRG IND INC·Filed 1998·Granted Aug 17, 1999·14 cites·7 claims
- 1145US5836814ADamper blade systemNRG IND INC·Filed 1996·Granted Nov 17, 1998·12 cites·15 claims
- 1245US4248314AShaft drill bit with overlapping cutter arrangementHUGHES TOOL CO·Filed 1979·Granted Feb 3, 1981·14 cites·8 claims
- 1341US6418831B1Tool holder and tab system for board cutting machineNRG IND INC·Filed 1999·Granted Jul 16, 2002·8 cites·16 claims
- 1440US9574454B2Full arc admission steam turbineALSTOM TECHNOLOGY LTD·Filed 2014·Granted Feb 21, 2017·0 cites·8 claims
- 1539US6422114B1Drive system for board cutting machineNRG IND INC·Filed 1999·Granted Jul 23, 2002·6 cites·40 claims
- 1638US6080921ABlade sharping device for a lever harpFiled 1998·Granted Jun 27, 2000·8 cites·21 claims
- 1738US5755810AHip implant prosthesisFiled 1996·Granted May 26, 1998·23 cites·13 claims
- 1837US4391143AUltrasonic probe for inspecting double-wall tubeUS ENERGY·Filed 1981·Granted Jul 5, 1983·9 cites·2 claims
- 1935US4431066AStressed relieved bit leg for an earth boring bitHUGHES TOOL CO·Filed 1981·Granted Feb 14, 1984·7 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →