Inventor · disambiguated record
David A. Pringle
Also filed as: PRINGLE DAVID · PRINGLE DAVID A
10 granted patents·1 pending application·51 citations·filing 1985–2021
86Inventor score
Top patents by PatentIndex Score
11 records- 0153US11554193B2Bioaerosol inactivator UVC antimicrobial reactorLUMINYS SYSTEMS CORP·Filed 2021·Granted Jan 17, 2023·0 cites·21 claims
- 0248US5179399ATheatre in the round projection apparatus and methodPRINGLE DAVID A·Filed 1991·Granted Jan 12, 1993·6 cites·11 claims
- 0347US4692607AControlled color light sourceOPTECH INC·Filed 1985·Granted Sep 8, 1987·12 cites·13 claims
- 0441US7948184B2Vehicle testing lamp apparatus, system, and methodLUMINYS SYSTEMS CORP·Filed 2007·Granted May 24, 2011·0 cites·23 claims
- 0541US4686612ALamp reflector assemblyOPTECH INC·Filed 1985·Granted Aug 11, 1987·12 cites·18 claims
- 0640US2013241421A1Led hybrid powerLUMINYS SYSTEMS CORP·Filed 2013·Application pending·0 cites
- 0735US5982112ALow pressure xenon lamp and driver circuitry for use in theatrical productions and the likePRINGLE DAVID A·Filed 1992·Granted Nov 9, 1999·7 cites·23 claims
- 0835US5150012ALow pressure xenon lamp and driver circuitry for use in theatrical productions and the likePRINGLE DAVID A·Filed 1991·Granted Sep 22, 1992·7 cites·10 claims
- 0933US4750097ALamp reflector assemblyOPTECH INC·Filed 1986·Granted Jun 7, 1988·5 cites·11 claims
- 1027US6140778ALow pressure xenon lamp and driver circuitry for use in theatrical productions and the likePRINGLE DAVID A·Filed 1995·Granted Oct 31, 2000·1 cites·21 claims
- 1121USD652556SDome lighting assemblyPRINGLE DAVID·Filed 2010·Granted Jan 17, 2012·1 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →