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USPTO Patent Rankings Data through Dec 31, 2025
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Richard E. Walker — 13 Patents

CCCompaq Computer: 7 patents #150 of 1,604Top 10%
EIErico International: 2 patents #60 of 144Top 45%
Cadiz, OH: #8 of 98 inventorsTop 9%
Ohio: #5,928 of 73,341 inventorsTop 9%
Overall (All Time): #362,438 of 4,157,543Top 9%
13 Patents All Time
Richard E. Walker has been granted 13 US patents while listed as an inventor at Compaq Computer. The first was granted in 1983 and the most recent in March 2004. Richard E. Walker ranks #362,438 of 4,157,543 US inventors in our database (top 8.7%). Patent records list Richard E. Walker in Cadiz, OH, US.

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6703578 Exothermic reactions and methods Dean Moore 2004-03-09
6553911 Exothermic reactions and methods Dean Moore 2003-04-29
5689179 Variable voltage regulator system 1997-11-18 $249,792,000
5632039 Circuit that automatically switches between supplying a microprocessor with a first voltage and a second voltage Kurtis John Bowman 1997-05-20 $251,714,000
5469320 Low power fan drive circuit for personal computers Hai Ngoc Nguyen 1995-11-21 $23,677,000
5335168 Computer system with power-down mode for monitor 1994-08-02 $16,115,000
5224010 Power supply supervisor with independent power-up delays and a system incorporating the same Tranh Tran 1993-06-29 $39,525,000
5052301 Electric initiator for blasting caps 1991-10-01
5046141 Low conductivity mounting stud and a method and apparatus for fastening an electronic component using the same 1991-09-03 $17,205,000
4951171 Power supply monitoring circuitry for computer system Thanh T. Tran, Richard A. Faulk 1990-08-21 $16,382,000
4455941 Detonating cord and continuity verification system James D. Heckelman, Robert A. Ziemke 1984-06-26
4430222 Water shedding device 1984-02-07
4403143 Detonating cord and continuity verification system James D. Heckelman, Robert A. Ziemke 1983-09-06