Inventor · disambiguated record
David Spencer
Also filed as: SPENCER DAVID · SPENCER DAVID W · SPENCER DAVID WILLIAM · SPENCER II DAVID W
27 granted patents·7 pending applications·1,007 citations·filing 1984–2018
97Inventor score
Files withCLEMENT CLARKE INT LTD9PITNEY BOWES INC7WALT DISNEY PROD5SPENCER LAURIE ANNE4SPENCER DAVID3
Top patents by PatentIndex Score
34 records- 0194US9962508B2Drug delivery inhaler devicesCLEMENT CLARKE INT LTD·Filed 2016·Granted May 8, 2018·26 cites·20 claims
- 0293US7774283B2Method and system for using a camera cell phone in transactionsPITNEY BOWES INC·Filed 2005·Granted Aug 10, 2010·117 cites·10 claims
- 0393US5403238AAmusement park attractionWALT DISNEY PROD·Filed 1993·Granted Apr 4, 1995·258 cites·60 claims
- 0492US9427534B2Drug delivery inhaler devicesCLEMENT CLARKE INT LTD·Filed 2013·Granted Aug 30, 2016·45 cites·12 claims
- 0591US5583844AProgramming device and method for controlling ride vehicles in an amusement attractionWALT DISNEY PROD·Filed 1993·Granted Dec 10, 1996·120 cites·19 claims
- 0690US5708527AVideo gateway having movable screensSONY CORP·Filed 1996·Granted Jan 13, 1998·55 cites·23 claims
- 0789US7788870B1Method and roofing strip for retarding moss, fungi, and algae growth on roofsSPENCER DAVID·Filed 2007·Granted Sep 7, 2010·28 cites·4 claims
- 0884US5623878ADynamic ride vehicleWALT DISNEY PROD·Filed 1995·Granted Apr 29, 1997·131 cites·78 claims
- 0981US4768793ARoller ski constructionSPENCER DAVID W·Filed 1987·Granted Sep 6, 1988·35 cites·20 claims
- 1081US4743981ASystem for synchronizing audiotape and videotape machinesWALT DISNEY PROD·Filed 1986·Granted May 10, 1988·28 cites·7 claims
- 1180US6888085B2Method and system for detection of contaminants in mailPITNEY BOWES INC·Filed 2002·Granted May 3, 2005·26 cites·12 claims
- 1276USD864423SInsert strip for shingled roofsSPENCER LAURIE ANNE·Filed 2015·Granted Oct 22, 2019·4 cites·1 claims
- 1376US6781078B2System and method for identifying potentially life harming mailpieces in an incoming mail streamPITNEY BOWES INC·Filed 2002·Granted Aug 24, 2004·21 cites·24 claims
- 1475US9103124B2Shingle inserts and method for eliminating and preventing growth of algae, moss, or lichens on a roofSPENCER LAURIE ANNE·Filed 2013·Granted Aug 11, 2015·10 cites·11 claims
- 1572US6626846B2Ventilatory capacity metersCLEMENT CLARKE INT LTD·Filed 2001·Granted Sep 30, 2003·61 cites·11 claims
- 1671US9117209B2Method and system for using a camera cell phone in transactionsDAS PRADEEP K·Filed 2010·Granted Aug 25, 2015·2 cites·7 claims
- 1764USD744636SSpacer for inhalerCLEMENT CLARKE INT LTD·Filed 2013·Granted Dec 1, 2015·10 cites·1 claims
- 1859US6957766B2Envelope with enhanced opening capabilities and method thereforPITNEY BOWES INC·Filed 2003·Granted Oct 25, 2005·5 cites·11 claims
- 1958US11013871B2Drug delivery inhaler devicesCLEMENT CLARKE INT LTD·Filed 2018·Granted May 25, 2021·0 cites·9 claims
- 2055USD797922SSpacer for inhalerCLEMENT CLARKE INT LTD·Filed 2016·Granted Sep 19, 2017·5 cites·1 claims
- 2153US9499988B2Shingle inserts and method for eliminating and preventing growth of algae, moss, or lichens on a roofSPENCER LAURIE ANNE·Filed 2015·Granted Nov 22, 2016·1 cites·4 claims
- 2250US2005203854A1Method and system for using a camera cell phone in transactionsPITNEY BOWES INC·Filed 2005·Application pending·0 cites
- 2350US2011108622A1Method and system for using a camera cell phone in transactionsPITNEY BOWES INC·Filed 2011·Application pending·0 cites
- 2447US4569577APhotographic animation transfer processWALT DISNEY PROD·Filed 1984·Granted Feb 11, 1986·3 cites·24 claims
- 2545US11076774B2Device with flow rate indicatorCLEMENT CLARKE INT LTD·Filed 2017·Granted Aug 3, 2021·0 cites·18 claims
- 2644US2005048956A1Method and system for providing directions to a mobile phone userPITNEY BOWES INC·Filed 2003·Application pending·0 cites
- 2743US10665132B2Training deviceCLEMENT CLARKE INTERNATIONAL LTD·Filed 2014·Granted May 26, 2020·0 cites·19 claims
- 2843US2020146591A1Device with flow rate indicatorCLEMENT CLARKE INT LTD·Filed 2018·Application pending·0 cites
- 2941USD778432SSpacer for inhalerCLEMENT CLARKE INT LTD·Filed 2015·Granted Feb 7, 2017·2 cites·1 claims
- 3041US2012192510A1Shingle Insert Strips And Method For Eliminating and Prevent Growth of Algae, Moss, or Lichens on a RoofSPENCER DAVID·Filed 2011·Application pending·0 cites
- 3138US2012324807A1Shingle Inserts And Method For Eliminating and Preventing Growth of Algae, Moss, or Lichens on a RoofSPENCER DAVID·Filed 2012·Application pending·0 cites
- 3236US2020197635A1Device with flow rate indicatorCLEMENT CLARKE INTERNATIONAL LTD·Filed 2018·Application pending·0 cites
- 3330US6238352B1Inhalation testing method and meansCLEMENT CLARKE INT·Filed 1999·Granted May 29, 2001·14 cites·20 claims
- 3427USD851288SInsert for roof shingle or tileSPENCER LAURIE ANNE·Filed 2017·Granted Jun 11, 2019·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →