Robert D. Stone — 13 Patents at Plug Power

Robert D. Stone has been granted 13 US patents while listed as an inventor at Plug Power. The first was granted in 1980 and the most recent in July 2025. Robert D. Stone ranks #362,438 of 4,157,543 US inventors in our database (top 8.7%). Patent records list Robert D. Stone in Latham, NY, US.

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
12344942	Proton exchange membrane water electrolyzer membrane electrode assembly	Fan Yang, Chao Lei, Arthur E. Griffith, Cortney K. Mittelsteadt	2025-07-01
11883779	Method and system for electrochemically compressing gaseous hydrogen	Monjid Hamdan, Cortney K. Mittelsteadt, Matthew D. Weaver	2024-01-30	$57,670,000
9896335	Multiple oxygen allotrope generator	—	2018-02-20
D618331	Roof exhaust vent	—	2010-06-22
D602579	Roof intake vent	—	2009-10-20
D526399	Stock car air freshener for motor vehicles	Frank N. Cane	2006-08-08
D481114	Stock car air freshener for motor vehicles	Frank N. Cane	2003-10-21
D480461	Stock car air freshener for motor vehicles	Frank N. Cane	2003-10-07
D465020	Stock car air freshener for motor vehicles	Frank N. Cane	2002-10-29
D272943	Electrode for biomedical signals	Kenneth L. Dufour	1984-03-06
D263167	Electrocardiogram lead terminal	—	1982-02-23
4268101	Integral dome and collar electrical connector	—	1981-05-19
4181692	Cooling tower fill assembly	—	1980-01-01

Robert D. Stone — 13 Patents

Issued Patents All Time

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