Inventor · disambiguated record
David K. Fork
Also filed as: FORK DAVID · FORK DAVID K · FORK DAVID KIRTLAND
142 granted patents·31 pending applications·5,232 citations·filing 1991–2022
99Inventor score
Top patents by PatentIndex Score
173 records- 0198US7765949B2Extrusion/dispensing systems and methodsPALO ALTO RES CT INC·Filed 2005·Granted Aug 3, 2010·60 cites·8 claims
- 0298US7756633B2System and method for security enhanced ridesharePALO ALTO RES CT INC·Filed 2007·Granted Jul 13, 2010·117 cites·18 claims
- 0398US6392524B1Photolithographically-patterned out-of-plane coil structures and method of makingXEROX CORP·Filed 2000·Granted May 21, 2002·130 cites·23 claims
- 0498US6201633B1Micro-electromechanical based bistable color display sheetsXEROX CORP·Filed 1999·Granted Mar 13, 2001·535 cites·24 claims
- 0597US8224571B2System and method for rideshare securityHUANG QINGFENG·Filed 2010·Granted Jul 17, 2012·51 cites·17 claims
- 0697US8086400B2System and method for monitoring the security of participants in a rideshare environmentHUANG QINGFENG·Filed 2010·Granted Dec 27, 2011·47 cites·18 claims
- 0797US8036824B2System and method for setting a rideshare transaction feePALO ALTO RES CT INC·Filed 2011·Granted Oct 11, 2011·45 cites·20 claims
- 0897US7930098B2System and method for financial transactions in a rideshare environmentPALO ALTO RES CT INC·Filed 2010·Granted Apr 19, 2011·45 cites·12 claims
- 0997US6743982B2Stretchable interconnects using stress gradient filmsXEROX CORP·Filed 2000·Granted Jun 1, 2004·256 cites·24 claims
- 1097US6734425B2Scanning probe system with spring probe and actuation/sensing structureXEROX CORP·Filed 2002·Granted May 11, 2004·86 cites·62 claims
- 1196US7974779B2System and method for assigning participants to a rideshare based on financial transactionsPALO ALTO RES CT INC·Filed 2010·Granted Jul 5, 2011·28 cites·20 claims
- 1296US7970533B2System and method for matching participants in a rideshare programPALO ALTO RES CT INC·Filed 2010·Granted Jun 28, 2011·25 cites·20 claims
- 1396US7869945B2System and method for monitoring participant security in a rideshare environmentPALO ALTO RES CT INC·Filed 2010·Granted Jan 11, 2011·29 cites·16 claims
- 1496US7833808B2Methods for forming multiple-layer electrode structures for silicon photovoltaic cellsPALO ALTO RES CT INC·Filed 2008·Granted Nov 16, 2010·34 cites·24 claims
- 1596US7799371B2Extruding/dispensing multiple materials to form high-aspect ratio extruded structuresPALO ALTO RES CT INC·Filed 2005·Granted Sep 21, 2010·41 cites·27 claims
- 1696US7000315B2Method of making photolithographically-patterned out-of-plane coil structuresXEROX CORP·Filed 2003·Granted Feb 21, 2006·57 cites·11 claims
- 1796US6668628B2Scanning probe system with spring probeXEROX CORP·Filed 2002·Granted Dec 30, 2003·59 cites·39 claims
- 1896US6290510B1Spring structure with self-aligned release materialXEROX CORP·Filed 2000·Granted Sep 18, 2001·106 cites·16 claims
- 1996US6180428B1Monolithic scanning light emitting devices using micromachiningXEROX CORP·Filed 1998·Granted Jan 30, 2001·355 cites·1 claims
- 2096US5986807ASingle binary optical element beam homogenizerXEROX CORP·Filed 1997·Granted Nov 16, 1999·162 cites·1 claims
- 2195US8095305B2System and method for financing a rideshare systemHUANG QINGFENG·Filed 2011·Granted Jan 10, 2012·26 cites·20 claims
- 2295US7638708B2Laminated solar concentrating photovoltaic devicePALO ALTO RES CT INC·Filed 2006·Granted Dec 29, 2009·36 cites·18 claims
- 2395US6528350B2Method for fabricating a metal plated spring structureXEROX CORP·Filed 2001·Granted Mar 4, 2003·92 cites·13 claims
- 2495US6213789B1Method and apparatus for interconnecting devices using an adhesiveXEROX CORP·Filed 1999·Granted Apr 10, 2001·107 cites·30 claims
- 2595US5944537APhotolithographically patterned spring contact and apparatus and methods for electrically contacting devicesXEROX CORP·Filed 1997·Granted Aug 31, 1999·194 cites·14 claims
- 2694US7906722B2Concentrating solar collector with solid optical elementPALO ALTO RES CT INC·Filed 2005·Granted Mar 15, 2011·41 cites·25 claims
- 2794US7426117B2Chip on a boardPALO ALTO RES CT INC·Filed 2005·Granted Sep 16, 2008·33 cites·20 claims
- 2894US6856225B1Photolithographically-patterned out-of-plane coil structures and method of makingXEROX CORP·Filed 2000·Granted Feb 15, 2005·50 cites·74 claims
- 2994US6788086B2Scanning probe system with spring probeXEROX CORP·Filed 2003·Granted Sep 7, 2004·47 cites·24 claims
- 3094US5384797AMonolithic multi-wavelength laser diode arraySDL INC·Filed 1992·Granted Jan 24, 1995·93 cites·57 claims
- 3194US5173474ASilicon substrate having an epitaxial superconducting layer thereon and method of making sameXEROX CORP·Filed 1991·Granted Dec 22, 1992·135 cites·32 claims
- 3293US7851693B2Passively cooled solar concentrating photovoltaic devicePALO ALTO RES CT INC·Filed 2006·Granted Dec 14, 2010·19 cites·17 claims
- 3393US5861991ALaser beam conditioner using partially reflective mirrorsXEROX CORP·Filed 1996·Granted Jan 19, 1999·126 cites·24 claims
- 3492US7922471B2Extruded structure with equilibrium shapePALO ALTO RES CT INC·Filed 2006·Granted Apr 12, 2011·30 cites·3 claims
- 3592US7780812B2Extrusion head with planarized edge surfacePALO ALTO RES CT INC·Filed 2006·Granted Aug 24, 2010·40 cites·10 claims
- 3691US11568299B1Spinel superconducting tunnel junction for quantum devicesGOOGLE LLC·Filed 2020·Granted Jan 31, 2023·2 cites·20 claims
- 3791US8040609B1Self-adjusting solar light transmission apparatusPALO ALTO RES CT INC·Filed 2010·Granted Oct 18, 2011·7 cites·27 claims
- 3891US6966784B2Flexible cable interconnect assemblyPALO ALTO RES CT INC·Filed 2003·Granted Nov 22, 2005·46 cites·37 claims
- 3991US6560861B2Microspring with conductive coating deposited on tip after releaseXEROX CORP·Filed 2001·Granted May 13, 2003·52 cites·12 claims
- 4091US6361331B2Spring structure with self-aligned release materialXEROX CORP·Filed 2001·Granted Mar 26, 2002·57 cites·17 claims
- 4190US7015584B2High force metal plated spring structureXEROX CORP·Filed 2003·Granted Mar 21, 2006·35 cites·27 claims
- 4290US6582989B2Photolithographically-patterned out-of-plane coil structures and method of makingXEROX CORP·Filed 2001·Granted Jun 24, 2003·41 cites·9 claims
- 4390US6439898B2Method and apparatus for interconnecting devices using an adhesiveXEROX CORP·Filed 2001·Granted Aug 27, 2002·46 cites·32 claims
- 4490US6146798APrinting plate with reversible charge-controlled wettingXEROX CORP·Filed 1998·Granted Nov 14, 2000·45 cites·32 claims
- 4589US7172707B2Sputtered spring films with low stress anisotropyXEROX CORP·Filed 2005·Granted Feb 6, 2007·11 cites·32 claims
- 4689US6848175B2Method of forming an out-of-plane structureXEROX CORP·Filed 2003·Granted Feb 1, 2005·33 cites·13 claims
- 4789US6646533B2Photolithographically-patterned out-of-plane coil structures and method of makingXEROX CORP·Filed 2002·Granted Nov 11, 2003·36 cites·26 claims
- 4889US6011531AMethods and applications of combining pixels to the gate and data lines for 2-D imaging and display arraysXEROX CORP·Filed 1996·Granted Jan 4, 2000·92 cites·60 claims
- 4988US8117983B2Directional extruded bead controlFORK DAVID K·Filed 2008·Granted Feb 21, 2012·12 cites·2 claims
- 5088US7425899B2Electromagnetic tagsPALO ALTO RES CT INC·Filed 2005·Granted Sep 16, 2008·17 cites·18 claims
Showing the top 50 of 173 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when David K. Fork files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →