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USPTO Patent Rankings Data through Dec 31, 2025
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Robert C. Knapp — 40 Patents

GEGentex: 39 patents #25 of 567Top 5%
Coloma, MI: #2 of 48 inventorsTop 5%
Michigan: #1,368 of 86,293 inventorsTop 2%
Overall (All Time): #78,057 of 4,157,543Top 2%
40 Patents All Time
Robert C. Knapp has been granted 40 US patents while listed as an inventor at Gentex. The first was granted in 1996 and the most recent in January 2013. Robert C. Knapp ranks #78,057 of 4,157,543 US inventors in our database (top 1.9%). Patent records list Robert C. Knapp in Coloma, MI, US.

Issued Patents All Time

Showing 1–25 of 40 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8354802 Solid state device controller Henry H. Grell, Jr. 2013-01-15
8224012 Vehicle accessory microphone Alan R. Watson, Robert R. Turnbull, William R. Spence, G. Bruce Poe, Michael A. Bryson 2012-07-17 $26,288,000
7988308 Individual mirror control system Robert R. Turnbull, Michael T. Dillane, Darin D. Tuttle 2011-08-02 $13,937,000
7772966 Vehicle rearview mirror assembly incorporating a communication system Robert R. Turnbull, Eric J. Walstra, Alan R. Watson, G. Bruce Poe, John K. Roberts +1 more 2010-08-10 $18,966,000
7524097 Light emitting assembly Robert R. Turnbull, John K. Roberts 2009-04-28 $8,331,000
7443988 Vehicle accessory microphone Robert R. Turnbull, Alan R. Watson, G. Bruce Poe 2008-10-28 $9,129,000
7361875 Vehicle headlamp control utilizing a light sensor having at least two light transducers Jon H. Bechtel, Frederick T. Bauer, Joseph S. Stam, Robert R. Turnbull, David J. Schmidt +5 more 2008-04-22 $22,258,000
7327226 Vehicle rearview mirror assembly incorporating a communication system Robert R. Turnbull, Eric J. Walstra, Alan R. Watson, G. Bruce Poe, John K. Roberts +1 more 2008-02-05 $16,345,000
7136494 Vehicle accessory microphone assembly having a windscreen with hydrophobic properties Alan R. Watson, Robert R. Turnbull, William R. Spence, G. Bruce Poe, Michael A. Bryson 2006-11-14 $17,963,000
7130431 Vehicle accessory microphone Alan R. Watson, Robert R. Turnbull, William R. Spence, G. Bruce Poe, Michael A. Bryson 2006-10-31 $16,629,000
7120261 Vehicle accessory microphone Robert R. Turnbull, Alan R. Watson, G. Bruce Poe 2006-10-10 $8,465,000
6980092 Vehicle rearview mirror assembly incorporating a communication system Robert R. Turnbull, Eric J. Walstra, Alan R. Watson, G. Bruce Poe, John K. Roberts +1 more 2005-12-27 $21,741,000
6861942 Directionally-adjustable antenna system using an outside mirror for automotive applications David L. Plangger, Robert R. Turnbull 2005-03-01 $4,512,000
6789907 Individual mirror control system Robert R. Turnbull, Roy E. Vawter 2004-09-14 $4,723,000
6750823 Rearview mirror with integrated microwave receiver Robert R. Turnbull, Eric J. Walstra 2004-06-15 $16,243,000
6742904 Vehicle equipment control with semiconductor light sensors Jon H. Bechtel, Frederick T. Bauer, Joseph S. Stam, Robert R. Turnbull, David J. Schmidt +5 more 2004-06-01 $15,511,000
6696935 Tire monitoring system Timothy A. Bonardi, David J. Schmidt, Robert R. Turnbull, Gregg Alan Chandler 2004-02-24 $8,607,000
6614911 Microphone assembly having a windscreen of high acoustic resistivity and/or hydrophobic material Alan R. Watson, Robert R. Turnbull, William R. Spence, G. Bruce Poe, Michael A. Bryson 2003-09-02 $6,697,000
6595650 Individual mirror control system Robert R. Turnbull, Roy E. Vawter 2003-07-22 $8,759,000
6523976 Led assembly Robert R. Turnbull, John K. Roberts 2003-02-25 $7,464,000
D467531 Mirror John W. Carter 2002-12-24
6465963 Headlight control system utilizing information from a microwave receiver Robert R. Turnbull, Eric J. Walstra 2002-10-15 $18,430,000
6407712 Rearview mirror with integrated microwave receiver Robert R. Turnbull, Eric J. Watstra 2002-06-18 $6,478,000
6386713 Individual mirror control system Robert R. Turnbull, Roy E. Vawter 2002-05-14 $23,900,000
6379013 Vehicle equipment control with semiconductor light sensors Jon H. Bechtel, Frederick T. Bauer, Joseph S. Stam, Robert R. Turnbull, David J. Schmidt +5 more 2002-04-30 $23,096,000