Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Ralph E. Crenshaw — 7 Patents

CDComtech Mobile Datacom: 3 patents #2 of 29Top 7%
TCTelkonet Communications: 3 patents #2 of 4Top 50%
San Jose, CA: #8,545 of 32,062 inventorsTop 30%
California: #83,669 of 386,348 inventorsTop 25%
Overall (All Time): #680,018 of 4,157,543Top 20%
7 Patents All Time
Ralph E. Crenshaw has been granted 7 US patents while listed as an inventor at Comtech Mobile Datacom. The first was granted in 1995 and the most recent in March 2015. Ralph E. Crenshaw ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list Ralph E. Crenshaw in San Jose, CA, US.

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8982928 Advanced multi-user detector Richard Candell, Paul Ebert, John Fossaceca, Greg Handermann, Mark Holland +3 more 2015-03-17 $3,802,000
8548107 Advanced multi-user detector Richard Candell, Paul Ebert, John Fossaceca, Greg Handermann, Mark Holland +3 more 2013-10-01 $1,717,000
8064551 Determining burst transmission signals Christopher Skiscim, Richard Candell 2011-11-22 $1,911,000
7170395 Method and apparatus for attaching power line communications to customer premises David W. Grimes, L. Peter Larson, Andrew Pozsgay 2007-01-30 $3,331,000
7091831 Method and apparatus for attaching power line communications to customer premises David W. Grimes, L. Peter Larson, Andrew Pozsgay 2006-08-15 $2,591,000
6975212 Method and apparatus for attaching power line communications to customer premises David W. Grimes, L. Peter Larson 2005-12-13 $3,574,000
5452950 Desk-station, computerized school desk Manuel David Ruiz 1995-09-26