Inventor · disambiguated record
Robert M. Welch
Also filed as: WELCH ROBERT · WELCH ROBERT M · WELCH ROBERT MAURICE
12 granted patents·4 pending applications·262 citations·filing 1975–2018
91Inventor score
Files withBAKER HUGHES INC7WELCH ROBERT M4BAKER HUGHES A GE CO LLC1BELL TELEPHONE LABOR INC1HASBRO INC1
Top patents by PatentIndex Score
16 records- 0192US7810588B2Multi-layer encapsulation of diamond grit for use in earth-boring bitsBAKER HUGHES INC·Filed 2007·Granted Oct 12, 2010·28 cites·13 claims
- 0285US6684514B2Center scribing kit for use with drilling templatesFiled 2001·Granted Feb 3, 2004·38 cites·11 claims
- 0384US8020641B2Drill bit with continuously sharp edge cutting elementsBAKER HUGHES INC·Filed 2008·Granted Sep 20, 2011·8 cites·84 claims
- 0482US5071115AExercise device for simulating walking and stair climbingWELCH ROBERT M·Filed 1990·Granted Dec 10, 1991·74 cites·12 claims
- 0577US4002033ARotary displacer for rotary engines or compressorsBELL TELEPHONE LABOR INC·Filed 1975·Granted Jan 11, 1977·16 cites·15 claims
- 0674US6086478AHand-held voice gameHASBRO INC·Filed 1997·Granted Jul 11, 2000·71 cites·23 claims
- 0766USD367675SEducational modelWELCH ROBERT M·Filed 1990·Granted Mar 5, 1996·13 cites·1 claims
- 0859US7836979B2Drill bits and tools for subterranean drillingBAKER HUGHES INC·Filed 2008·Granted Nov 23, 2010·6 cites·20 claims
- 0956US8720609B2Drill bit with continuously sharp edge cutting elementsWELCH ROBERT M·Filed 2008·Granted May 13, 2014·4 cites·17 claims
- 1053US7779936B2Staggered compact row on same landBAKER HUGHES INC·Filed 2008·Granted Aug 24, 2010·4 cites·20 claims
- 1151US9540884B2Drill bit with continuously sharp edge cutting elementsWELCH ROBERT M·Filed 2014·Granted Jan 10, 2017·0 cites·8 claims
- 1243US2019106944A1Self-adjusting earth-boring tools and related systems and methods of reducing vibrationsBAKER HUGHES A GE CO LLC·Filed 2018·Application pending·0 cites
- 1340US2010089658A1Drill bit with continuously sharp edge cutting elementsBAKER HUGHES INC·Filed 2008·Application pending·0 cites
- 1440US2010089661A1Drill bit with continuously sharp edge cutting elementsBAKER HUGHES INC·Filed 2008·Application pending·0 cites
- 1539US2008190670A1Rotary drag bit with increased back rake angle gauge cutterBAKER HUGHES INC·Filed 2008·Application pending·0 cites
- 1638US8104550B2Methods for applying wear-resistant material to exterior surfaces of earth-boring tools and resulting structuresOVERSTREET JAMES L·Filed 2007·Granted Jan 31, 2012·0 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →