Barry Drager has been granted 10 US patents while listed as an inventor at Sundstrand . The first was granted in 1991 and the most recent in September 2021. Barry Drager ranks #481,000 of 4,157,543 US inventors in our database (top 11.6%). Patent records list Barry Drager in Rockford, IL, US.
Patents per Year Patents granted per year, 1991 to 2021 Bar chart with a peak of 2 patents in 1999. peak 2 1991: 1 patents 1991 1996: 1 patents 1996 1997: 1 patents 1997 1998: 1 patents 1998 1999: 2 patents 1999 2001: 2 patents 2001 2010: 1 patents 2010 2021: 1 patents 2021
Issued Patents All Time
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Showing 1–10 of 10 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
11133665 Direct current over voltage monitoring and protection Francis C. Belisle , Jef William Good , George E. Wulf, Jr. , Kenneth C. Kramer , Chad Lukan +2 more 2021-09-28
$39,195,000
7770526 Railcar man-way cover lift-assist system — 2010-08-10
6260833 Fail safe coil spring including mounting mechanism — 2001-07-17
6211633 Synchronous sampling circuit for a sensorless switching reluctance machine system Stephen R. Jones 2001-04-03
$46,125,000
5920175 Instantaneous position indicating apparatus for a sensorless switched reluctance machine system Stephen R. Jones 1999-07-06
5867004 Relative angel estimation apparatus for a sensorless switched reluctance machine system Stephen R. Jones , Graham T. Fordyce 1999-02-02
$11,449,000
5844385 Absolute angle estimation apparatus for a sensorless switched reluctance machine system Stephen R. Jones 1998-12-01
$9,518,000
5689165 Estimator initialization circuit and method for a sensorless switched reluctance machine system Stephen R. Jones 1997-11-18
$9,472,000
5529290 Apparatus for quenching coil springs to assure cooling — 1996-06-25
4991185 Method of testing n-bit programmable counters David Hatten , Joe Foster , Walter G. Fry , Abdul Rashid 1991-02-05
$1,223,000
