Inventor · disambiguated record
David Richardson
Also filed as: RICHARDSON DAVID · RICHARDSON DAVID C · RICHARDSON DAVID CHARLES
5 granted patents·1 pending application·28 citations·filing 1977–2020
77Inventor score
Files withRICHARDSON DAVID2AIRBUS UK LTD1RICHARDSON DAVID C1SIEMENS ENTPR COMMUNICATIONS1VACUUM ENG SERVICES LTD1
Top patents by PatentIndex Score
6 records- 0162US8055778B2SIP user agent with simultaneous multiple registrationsSIEMENS ENTPR COMMUNICATIONS·Filed 2004·Granted Nov 8, 2011·10 cites·48 claims
- 0248US4219777ADetector for multiplicity of radio wave frequenciesRICHARDSON DAVID·Filed 1977·Granted Aug 26, 1980·8 cites·41 claims
- 0348US2022341807A1Fluid evacuation apparatusVACUUM ENG SERVICES LTD·Filed 2020·Application pending·0 cites
- 0442US7473010B2Light coverAIRBUS UK LTD·Filed 2003·Granted Jan 6, 2009·3 cites·7 claims
- 0534US4878254ACompact signal enhancerRICHARDSON DAVID·Filed 1986·Granted Oct 31, 1989·6 cites·12 claims
- 0625USD312970SClockRICHARDSON DAVID C·Filed 1988·Granted Dec 18, 1990·1 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →