Inventor · disambiguated record
David C. Tigwell
Also filed as: TIGWELL DAVID · TIGWELL DAVID C
10 granted patents·6 pending applications·497 citations·filing 1979–2011
92Inventor score
Files withCOLORADO MEADOWLARK CORP2D C TIGWELL & ASSOCIATES2HOUSTON SATELLITE SYSTEMS INC2MACHUCA FRANCISCO2HTS1
Top patents by PatentIndex Score
16 records- 0190US5379453ARemote control systemCOLORADO MEADOWLARK CORP·Filed 1994·Granted Jan 3, 1995·130 cites·14 claims
- 0289US6021319ARemote control systemCOLORADO MEADOWLARK CORP·Filed 1994·Granted Feb 1, 2000·114 cites·35 claims
- 0385US5227780AApparatus with a portable UHF radio transmitter remote for controlling one or more of infrared controlled appliancesHOUSTON SATELLITE SYSTEMS INC·Filed 1991·Granted Jul 13, 1993·75 cites·9 claims
- 0482US4769629AStop light for a motorcyclist's helmetJOHN N STONE JR·Filed 1987·Granted Sep 6, 1988·46 cites·4 claims
- 0576US4620190AMethod and apparatus for simultaneously actuating navigational lanternsTIDELAND SIGNAL CORP·Filed 1984·Granted Oct 28, 1986·24 cites·8 claims
- 0664US5077561AMethod and apparatus for tracking satellites in inclined orbitsHTS·Filed 1990·Granted Dec 31, 1991·48 cites·29 claims
- 0754USD347637STelevision retransmission apparatusHOUSTON SATELLITE SYSTEMS INC·Filed 1990·Granted Jun 7, 1994·10 cites·1 claims
- 0852US6854339B2Single-body dual-chip orthogonal sensing transit-time flow device using a parabolic reflecting surfacePTI TECHNOLOGIES INC·Filed 2002·Granted Feb 15, 2005·6 cites·21 claims
- 0951US5818735AMethod and system for high resolution time-of-flight measurementsPEEK MEASUREMENT INC·Filed 1996·Granted Oct 6, 1998·28 cites·32 claims
- 1051US4288206AAutomatic multiple water samplerTIGWELL DAVID C·Filed 1979·Granted Sep 8, 1981·16 cites·1 claims
- 1141US2012081132A1Measuring Minority Carrier LifetimeMACHUCA FRANCISCO·Filed 2011·Application pending·0 cites
- 1241US2009274313A1Slotted Waveguide Acoustic Output Device and MethodKLEIN W RICHARD·Filed 2008·Application pending·0 cites
- 1340US2011169520A1Apparatus for measuring minority carrier lifetime and method for using the sameMKS INSTR INC·Filed 2010·Application pending·0 cites
- 1436US2005092102A1Single-body dual-chip orthogonal sensing transit-time flow device using a parabolic relecting surfaceD C TIGWELL & ASSOCIATES·Filed 2004·Application pending·0 cites
- 1533US2004129088A1Single-body dual-chip orthogonal sensing transit-time flow device using a parabolic reflecting surfaceD C TIGWELL & ASSOCIATES·Filed 2003·Application pending·0 cites
- 1632US2012286806A1Measuring Bulk LifetimeMACHUCA FRANCISCO·Filed 2011·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →