Inventor · disambiguated record
David G. Duff
Also filed as: DUFF DAVID · DUFF DAVID G · DUFF DAVID GORDON
48 granted patents·10 pending applications·563 citations·filing 2000–2024
98Inventor score
Top patents by PatentIndex Score
58 records- 0194USD944667SSensor housingWAYMO LLC·Filed 2019·Granted Mar 1, 2022·40 cites·1 claims
- 0294US6454624B1Robotic toy with posable jointsXEROX CORP·Filed 2001·Granted Sep 24, 2002·145 cites·18 claims
- 0393US8247097B1Method of controlling battery pack humidity utilizing an active reactivation systemDUFF DAVID GORDON·Filed 2012·Granted Aug 21, 2012·15 cites·20 claims
- 0492US6575802B2Robotic toy modular system with distributed programXEROX CORP·Filed 2001·Granted Jun 10, 2003·92 cites·9 claims
- 0591US7108260B2Flexible director paper path modulePALO ALTO RES CT INC·Filed 2003·Granted Sep 19, 2006·30 cites·13 claims
- 0690US10621851B1Humidity control systemWAYMO LLC·Filed 2018·Granted Apr 14, 2020·4 cites·18 claims
- 0790US7185888B2Rotational jam clearance apparatusPALO ALTO RES CT INC·Filed 2004·Granted Mar 6, 2007·21 cites·25 claims
- 0890US6605914B2Robotic toy modular systemXEROX CORP·Filed 2001·Granted Aug 12, 2003·90 cites·19 claims
- 0989US12130383B2Rotatable mirror deviceWAYMO LLC·Filed 2020·Granted Oct 29, 2024·2 cites·20 claims
- 1089US12055659B2Optical redirector deviceWAYMO LLC·Filed 2020·Granted Aug 6, 2024·2 cites·20 claims
- 1189US11906813B2Mirror couplingWAYMO LLC·Filed 2022·Granted Feb 20, 2024·1 cites·20 claims
- 1289US9221397B1Variable magnetic break-away mounting mechanismGOOGLE INC·Filed 2014·Granted Dec 29, 2015·13 cites·20 claims
- 1387USD1038789SSensor housingWAYMO LLC·Filed 2023·Granted Aug 13, 2024·7 cites·1 claims
- 1487US9040184B2Battery pack dehumidifier with active reactivation systemDUFF DAVID GORDON·Filed 2012·Granted May 26, 2015·5 cites·24 claims
- 1584US12481029B2Split window and bafflingWAYMO LLC·Filed 2021·Granted Nov 25, 2025·1 cites·20 claims
- 1684USD993051SSensor housingWAYMO LLC·Filed 2022·Granted Jul 25, 2023·6 cites·1 claims
- 1783US12392990B2Mirror couplingWAYMO LLC·Filed 2024·Granted Aug 19, 2025·0 cites·20 claims
- 1883US10612587B1Preload mechanism for rotating mirror bearingWAYMO LLC·Filed 2018·Granted Apr 7, 2020·2 cites·20 claims
- 1979US7954449B2Wiring-free, plumbing-free, cooled, vacuum chuckPALO ALTO RES CT INC·Filed 2007·Granted Jun 7, 2011·6 cites·10 claims
- 2079US2025044421A1Rotatable Mirror DeviceWAYMO LLC·Filed 2024·Application pending·0 cites
- 2177US11460662B2Mirror couplingWAYMO LLC·Filed 2018·Granted Oct 4, 2022·2 cites·22 claims
- 2277US9376958B1Point-of-use electricity generation systemBONORA ANTHONY·Filed 2013·Granted Jun 28, 2016·6 cites·44 claims
- 2376US11841463B2Optimized high speed lidar mirror designWAYMO LLC·Filed 2022·Granted Dec 12, 2023·0 cites·21 claims
- 2476US7918453B2Rotational jam clearance apparatusPALO ALTO RES CT INC·Filed 2006·Granted Apr 5, 2011·4 cites·18 claims
- 2576US7811692B2Micro-machined fuel cellsPALO ALTO RES CT INC·Filed 2008·Granted Oct 12, 2010·2 cites·24 claims
- 2674US9281690B2Tactical smart gridsELDERSHAW CRAIG·Filed 2010·Granted Mar 8, 2016·5 cites·18 claims
- 2774US8360423B2Transport for printing systemsPALO ALTO RES CT INC·Filed 2011·Granted Jan 29, 2013·1 cites·6 claims
- 2873US6842246B2Six degree of freedom position rangingXEROX CORP·Filed 2001·Granted Jan 11, 2005·18 cites·20 claims
- 2972US8624102B2Metal trace fabrication for optical elementCHAN HING WAH·Filed 2012·Granted Jan 7, 2014·2 cites·10 claims
- 3070US12481149B2Tapered mirror shaftWAYMO LLC·Filed 2021·Granted Nov 25, 2025·0 cites·12 claims
- 3170US7624981B2Universal variable pitch interface interconnecting fixed pitch sheet processing machinesPALO ALTO RES CT INC·Filed 2005·Granted Dec 1, 2009·4 cites·5 claims
- 3270US6439081B1Harmonic friction driveXEROX CORP·Filed 2000·Granted Aug 27, 2002·14 cites·6 claims
- 3366US10891850B1Humidity control systemWAYMO LLC·Filed 2020·Granted Jan 12, 2021·0 cites·20 claims
- 3465USD904909SSensor housingWAYMO LLC·Filed 2018·Granted Dec 15, 2020·8 cites·1 claims
- 3565US8389851B2Metal trace fabrication for optical elementCHAN HING WAH·Filed 2010·Granted Mar 5, 2013·1 cites·14 claims
- 3665US8042807B2Transport for printing systemsPALO ALTO RES CT INC·Filed 2006·Granted Oct 25, 2011·2 cites·14 claims
- 3764US12468020B2Optical redirector deviceWAYMO LLC·Filed 2021·Granted Nov 11, 2025·0 cites·20 claims
- 3860US11474211B2Optimized high speed lidar mirror designWAYMO LLC·Filed 2019·Granted Oct 18, 2022·0 cites·20 claims
- 3960US8960120B2Micro-extrusion printhead with nozzle valvesELDERSHAW CRAIG·Filed 2008·Granted Feb 24, 2015·0 cites·14 claims
- 4060US7931269B2Rotational jam clearance apparatusPALO ALTO RES CT INC·Filed 2007·Granted Apr 26, 2011·1 cites·19 claims
- 4158US7885592B2Rotary operated mechanism for retracting paper pathways of printersPALO ALTO RES CT INC·Filed 2007·Granted Feb 8, 2011·1 cites·19 claims
- 4258US7459225B2Micro-machined fuel cellsPALO ALTO RES CT INC·Filed 2003·Granted Dec 2, 2008·2 cites·18 claims
- 4358US2024118391A1Optical Redirector DeviceWAYMO LLC·Filed 2023·Application pending·0 cites
- 4457US7945346B2Module identification method and system for path connectivity in modular systemsPALO ALTO RES CT INC·Filed 2006·Granted May 17, 2011·2 cites·33 claims
- 4552US9927162B2Generation and deployment of ice with modified optical and/or thermal propertiesFIELD LESLIE A·Filed 2014·Granted Mar 27, 2018·0 cites·1 claims
- 4652US6603281B2High mechanical advantage ratcheting apparatusXEROX CORP·Filed 2001·Granted Aug 5, 2003·6 cites·22 claims
- 4751US2015132474A1Micro-Extrusion Printhead With Nozzle ValvesPALO ALTO RES CT INC·Filed 2015·Application pending·0 cites
- 4850US2008186593A1Metal trace fabrication for optical elementSOL FOCUS INC·Filed 2007·Application pending·0 cites
- 4950US2009025784A1Thermal spray for solar concentrator fabricationSOL FOCUS INC·Filed 2007·Application pending·0 cites
- 5050US2021405157A1Alignment of Optical Transmitter with Multiple Degrees of FreedomWAYMO LLC·Filed 2020·Application pending·0 cites
Showing the top 50 of 58 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →