Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Robert A. Lacy — 7 Patents

PPPlug Power: 5 patents #13 of 157Top 9%
EIElectric Power Research Institute: 1 patents #421 of 1,201Top 40%
Scotia, NY: #118 of 414 inventorsTop 30%
New York: #20,477 of 115,490 inventorsTop 20%
Overall (All Time): #680,018 of 4,157,543Top 20%
7 Patents All Time
Robert A. Lacy has been granted 7 US patents while listed as an inventor at Plug Power. The first was granted in 1982 and the most recent in March 2003. Robert A. Lacy ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list Robert A. Lacy in Scotia, NY, US.

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6528192 Residual fuel dissipation for a fuel cell stack David E. James 2003-03-04 $2,256,000
6510369 Residential load shedding 2003-01-21 $3,645,000
6428917 Regulating the maximum output current of a fuel cell stack Russel Hugh Marvin 2002-08-06 $4,967,000
6379826 Regulating a fuel cell powered heating system 2002-04-30 $12,400,000
6313750 Measuring cell voltages of a fuel cell stack 2001-11-06 $10,765,000
4553238 Fiber optic amplifier Herbert J. Shaw, Michel J. F. Digonnet 1985-11-12
4362986 Method and means for monitoring faults in an electric power system and the like James J. Burke, Dale A. Douglass, Richard J. Murphy, Delano D. Wilson, Jonathan Wright 1982-12-07