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David A. Lewandowski — 2 Patents

PCProcess Combustion: 2 patents #3 of 7Top 45%

Belle Vernon, PA: #10 of 47 inventorsTop 25%

Pennsylvania: #30,766 of 74,527 inventorsTop 45%

Overall (All Time): #1,709,992 of 4,157,543Top 45%

2 Patents All Time

David A. Lewandowski has been granted 2 US patents while listed as an inventor at Process Combustion. The first was granted in 1998 and the most recent in August 1999. David A. Lewandowski ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list David A. Lewandowski in Belle Vernon, PA, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
5931663	Purge system for regenerative thermal oxidizer	Peter B. Nutcher, Peter J. Waldern	1999-08-03
5707596	Method to minimize chemically bound nox in a combustion process	Peter B. Nutcher, Peter J. Waldern	1998-01-13

David A. Lewandowski — 2 Patents

Issued Patents All Time

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