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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
MR

Mark E. Rohrbaugh — 7 Patents

SSStmicroelectronics Sa: 7 patents #910 of 1,676Top 55%
Scottsdale, AZ: #549 of 3,386 inventorsTop 20%
Arizona: #5,272 of 32,909 inventorsTop 20%
Overall (All Time): #680,018 of 4,157,543Top 20%
7 Patents All Time
Mark E. Rohrbaugh has been granted 7 US patents. The first was granted in 1994 and the most recent in April 1996. Mark E. Rohrbaugh ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list Mark E. Rohrbaugh in Scottsdale, AZ, US.

Patents per Year

Patents granted per year, 1994 to 1996Bar chart with a peak of 3 patents in 1994.peak 31994: 3 patents19941995: 2 patents19951996: 2 patents1996

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5512805 Method and apparatus for determining reverse rotation of a polyphase DC motor Francesco Carobolante 1996-04-30 $11,594,000
5481167 Amplifier and method for detecting the bemf of a coil of a polyphase sensorless DC motor Francesco Carobolante 1996-01-02 $13,331,000
5477171 Full wave rectifier using current mirror bridge Paolo Menegoli 1995-12-19 $26,123,000
5428276 Automatic adjustment of commutation delay for brushless DC motor for improved efficiency Francesco Carobolante, Ermanno Pace 1995-06-27 $15,622,000
5349521 Full wave rectifier using a current mirror bridge Paolo Menegoli 1994-09-20
5306988 Method and apparatus for operating polyphase dc motors Francesco Carobolante 1994-04-26
5285135 Automatic adjustment of commutation delay for brushless DC motor for improved efficiency Francesco Carobolante, Ermanno Pace 1994-02-08