James W. Sember has been granted 9 US patents while listed as an inventor at GE . The first was granted in 1984 and the most recent in March 2021. James W. Sember ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list James W. Sember in Scotia, NY, US.
Patents per Year Patents granted per year, 1984 to 2021 Bar chart with a peak of 3 patents in 1986. peak 3 1984: 1 patents 1984 1986: 3 patents 1986 1990: 1 patents 1990 1991: 2 patents 1991 1995: 1 patents 1995 2021: 1 patents 2021
Issued Patents All Time
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Showing 1–9 of 9 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
10958074 Distributed energy storage system and method of distributing energy Donald S. Berkowitz , David Porter , Terrence Bellei , Stephen E. Williams 2021-03-23
5450306 Closed loop pulse width modulator inverter with volt-seconds feedback control Luis Jose Garces 1995-09-12
5012171 Control system for high speed switched reluctance motor — 1991-04-30
$12,056,000
5012172 Control system for switched reluctance motor operating as a power generator — 1991-04-30
$12,056,000
4933620 Control system for low speed switched reluctance motor Stephen R. MacMinn 1990-06-12
$8,444,000
4609990 Frequency measurement system Loren H. Walker 1986-09-02
$7,320,000
4607206 Flux control for induction motor drive using load commutated inverter circuit Loren H. Walker , Herbert W. Weiss 1986-08-19
$8,946,000
4600874 Excitation current control for induction motor drive using load commutated inverter circuit Leland C. Tupper , Loren H. Walker , Herbert W. Weiss 1986-07-15
$17,184,000
4443673 Variable aspect arc chute — 1984-04-17
$6,210,000
