Inventor · disambiguated record
David R. Mcmurtry
Also filed as: ACKERY LIONEL J · MCMURTRY DAVID R · MCMURTRY DAVID ROBERTS
201 granted patents·28 pending applications·6,124 citations·filing 1976–2024
99Inventor score
Files withRENISHAW PLC154ROLLS ROYCE16RENISHAW METROLOGY LTD15RENISHAW ELECTRICAL LTD11MCMURTRY DAVID ROBERTS10
Top patents by PatentIndex Score
229 records- 0199US4153998AProbesROLLS ROYCE 1971 LTD·Filed 1976·Granted May 15, 1979·243 cites·17 claims
- 0298US5681981APerforming measurement or calibration on positioning machinesRENISHAW PLC·Filed 1995·Granted Oct 28, 1997·84 cites·6 claims
- 0398US5088046AMounting for surface-sensing stylus and a method of using said mountingRENISHAW PLC·Filed 1988·Granted Feb 11, 1992·218 cites·9 claims
- 0498US4333238ACoordinate measuring machineMCMURTRY DAVID R·Filed 1980·Granted Jun 8, 1982·147 cites·3 claims
- 0598US4084323AMeasuring apparatusROLLS ROYCE·Filed 1976·Granted Apr 18, 1978·84 cites·4 claims
- 0697US5270664AProbe for measuring surface roughness by sensing fringe field capacitance effectsRENISHAW PLC·Filed 1991·Granted Dec 14, 1993·174 cites·8 claims
- 0797US5189806AMethod of and apparatus for scanning the surface of a workpieceRENISHAW PLC·Filed 1992·Granted Mar 2, 1993·374 cites·36 claims
- 0897US5040306ASurface-sensing deviceRENISHAW PLC·Filed 1989·Granted Aug 20, 1991·204 cites·23 claims
- 0997US4313263AMethod and apparatus for use in co-ordinate measuring machinesROLLS ROYCE·Filed 1979·Granted Feb 2, 1982·79 cites·6 claims
- 1097US4301338AContact-sensing probeROLLS ROYCE·Filed 1979·Granted Nov 17, 1981·67 cites·7 claims
- 1197US4168576AMethod and apparatus for use in co-ordinate measuring machinesROLLS ROYCE·Filed 1978·Granted Sep 25, 1979·58 cites·1 claims
- 1296US4932131APosition determination apparatusRENISHAW PLC·Filed 1988·Granted Jun 12, 1990·109 cites·8 claims
- 1396US4155171AContact-sensing probeRENISHAW ELECTRICAL LTD·Filed 1977·Granted May 22, 1979·64 cites·3 claims
- 1495US10399145B2Additive manufacturing apparatus and methodRENISHAW PLC·Filed 2014·Granted Sep 3, 2019·17 cites·23 claims
- 1594US7293365B2Probe or stylus orientationRENISHAW PLC·Filed 2006·Granted Nov 13, 2007·26 cites·19 claims
- 1694US5084981AProbe headRENISHAW PLC·Filed 1990·Granted Feb 4, 1992·178 cites·22 claims
- 1794US4451892AMethod of and apparatus for measuring distances in numerically controlled machine toolsMCMURTRY DAVID R·Filed 1981·Granted May 29, 1984·54 cites·13 claims
- 1894US4288925AProbe for use in measuring apparatusROLLS ROYCE·Filed 1979·Granted Sep 15, 1981·39 cites·18 claims
- 1994US4270275AProbesROLLS ROYCE·Filed 1979·Granted Jun 2, 1981·51 cites·5 claims
- 2093US10252333B2Additive manufacturing apparatus and methodRENISHAW PLC·Filed 2014·Granted Apr 9, 2019·14 cites·23 claims
- 2193US5257460AMachine tool measurement methodsRENISHAW METROLOGY LTD·Filed 1992·Granted Nov 2, 1993·59 cites·17 claims
- 2292US7659992B2Scale reading apparatusRENISHAW PLC·Filed 2005·Granted Feb 9, 2010·24 cites·13 claims
- 2392US7568854B2Pivot jointRENISHAW PLC·Filed 2007·Granted Aug 4, 2009·11 cites·14 claims
- 2492US7228641B2Bearing arrangementRENISHAW PLC·Filed 2005·Granted Jun 12, 2007·13 cites·21 claims
- 2592US4651405ATool change apparatusRENISHAW PLC·Filed 1984·Granted Mar 24, 1987·48 cites·8 claims
- 2692US4462162AProbe for measuring workpiecesROLLS ROYCE·Filed 1982·Granted Jul 31, 1984·49 cites·8 claims
- 2792US4078314AMeasuring apparatusROLLS ROYCE·Filed 1976·Granted Mar 14, 1978·45 cites·6 claims
- 2891US11300408B2Coordinate positioning machineRENISHAW PLC·Filed 2020·Granted Apr 12, 2022·3 cites·27 claims
- 2991US6662461B2Performing measurement or calibration on positioning machinesRENISHAW PLC·Filed 2002·Granted Dec 16, 2003·20 cites·14 claims
- 3091US6496273B1Position determining apparatus for coordinate positioning machineRENISHAW PLC·Filed 2000·Granted Dec 17, 2002·60 cites·16 claims
- 3191US5327657ATouch probeRENISHAW METROLOGY LTD·Filed 1992·Granted Jul 12, 1994·58 cites·18 claims
- 3291US5146691ATouch probeRENISHAW PLC·Filed 1991·Granted Sep 15, 1992·65 cites·13 claims
- 3390US12055388B2Coordinate positioning machineRENISHAW PLC·Filed 2020·Granted Aug 6, 2024·2 cites·30 claims
- 3490US8001859B2Method of error compensation in a coordinate measuring machineRENISHAW PLC·Filed 2009·Granted Aug 23, 2011·18 cites·14 claims
- 3590US5604593AInterferometer position measurement system with extensible legsRENISHAW PLC·Filed 1994·Granted Feb 18, 1997·62 cites·13 claims
- 3690US5048194APosition sensing probeRENISHAW PLC·Filed 1988·Granted Sep 17, 1991·40 cites·10 claims
- 3790US4991304AWorkpiece inspection methodRENISHAW·Filed 1988·Granted Feb 12, 1991·66 cites·11 claims
- 3890US4646422AMachine toolRENISHAW PLC·Filed 1983·Granted Mar 3, 1987·41 cites·8 claims
- 3989US9726481B2Method of analogue measurement scanning on a machine toolRENISHAW PLC·Filed 2013·Granted Aug 8, 2017·15 cites·15 claims
- 4089US7543393B2Method of calibrating a scanning systemRENISHAW PLC·Filed 2007·Granted Jun 9, 2009·20 cites·17 claims
- 4189US7174652B2Performing measurement or calibration on positioning machinesRENISHAW PLC·Filed 2005·Granted Feb 13, 2007·7 cites·6 claims
- 4289US5345689AMeasuring probeRENISHAW METROLOGY LTD·Filed 1992·Granted Sep 13, 1994·66 cites·13 claims
- 4388US10816335B2Coordinate positioning machineRENISHAW PLC·Filed 2016·Granted Oct 27, 2020·6 cites·33 claims
- 4488US7241070B2Pivot jointRENISHAW PLC·Filed 2004·Granted Jul 10, 2007·18 cites·21 claims
- 4588US6434846B1Method of calibrating a scanning systemERENISHAW PLC·Filed 2000·Granted Aug 20, 2002·47 cites·5 claims
- 4688US4979284AApparatus for changing a sensing deviceRENISHAW PLC·Filed 1988·Granted Dec 25, 1990·48 cites·20 claims
- 4787US11236987B2Load bearing structureRENISHAW PLC·Filed 2018·Granted Feb 1, 2022·4 cites·14 claims
- 4887US11123924B2Powder bed fusion apparatus and methodsRENISHAW PLC·Filed 2018·Granted Sep 21, 2021·4 cites·23 claims
- 4987US7254506B2Method of calibrating a scanning systemRENISHAW PLC·Filed 2003·Granted Aug 7, 2007·34 cites·15 claims
- 5087US4349946ATool connecting mechanismMCMURTRY DAVID R·Filed 1980·Granted Sep 21, 1982·39 cites·5 claims
Showing the top 50 of 229 patent records by PatentIndex Score.
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