Inventor · disambiguated record
David Campbell
Also filed as: CAMPBELL DAVID · CAMPBELL DAVID B · CAMPBELL DAVID BRUCE
10 granted patents·3 pending applications·233 citations·filing 1989–2024
90Inventor score
Files withHEDLEY PURVIS LTD3DYSON TECHNOLOGY LTD2AFC CABLE SYSTEMS INC1BERNHARDT JONATHAN1CAMPBELL DAVID B1
Top patents by PatentIndex Score
13 records- 0188US4998453AHydraulic bolt tensionerHEDLEY PURVIS LTD·Filed 1989·Granted Mar 12, 1991·51 cites·7 claims
- 0283USD601847SHot water dispenserDYSON LTD·Filed 2009·Granted Oct 13, 2009·28 cites·1 claims
- 0375US5032048AQuick-fastening nutHEDLEY PURVIS LTD·Filed 1990·Granted Jul 16, 1991·47 cites·6 claims
- 0475US5013188AProcess for replacing a length of buried pipeCAMPBELL DAVID B·Filed 1990·Granted May 7, 1991·71 cites·13 claims
- 0573US9874874B2Dynamic compliance monitoring of unmanned vehiclesBERNHARDT JONATHAN·Filed 2016·Granted Jan 23, 2018·11 cites·17 claims
- 0669US6374900B1Upper mould holder for a die holder assembly used in die-casting machinesEMERSON ELECTRIC CO·Filed 2000·Granted Apr 23, 2002·5 cites·21 claims
- 0759US2009095729A1Domestic equipment groupingDYSON TECHNOLOGY LTD·Filed 2008·Application pending·0 cites
- 0859US2009095728A1Domestic equipment groupDYSON TECHNOLOGY LTD·Filed 2008·Application pending·0 cites
- 0957US12420014B2Dosing of incretin pathway drugsCLOSED LOOP MEDICINE LTD·Filed 2024·Granted Sep 23, 2025·0 cites·24 claims
- 1037US5788411ARoller compacted concrete dam and method of constructionSCHNABEL ENGINEERING ASSOCIATE·Filed 1996·Granted Aug 4, 1998·9 cites·24 claims
- 1136US2017352451A1Metal clad cable having parallel laid conductorsAFC CABLE SYSTEMS INC·Filed 2017·Application pending·0 cites
- 1234US5249486ATorque wrenchHEDLEY PURVIS LTD·Filed 1993·Granted Oct 5, 1993·7 cites·6 claims
- 1333USD345612SSelf-serve water dispenser kioskSPRING WATER VENDING CO INC·Filed 1992·Granted Mar 29, 1994·4 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →