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USPTO Patent Rankings Data through Dec 31, 2025
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Dan Perz — 2 Patents

GSGsw: 2 patents #7 of 24Top 30%
Hamilton, CA: #318 of 942 inventorsTop 35%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Dan Perz has been granted 2 US patents while listed as an inventor at Gsw. The first was granted in 1996 and the most recent in September 1997. Dan Perz ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Dan Perz in Hamilton, ON, CA.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5669374 Direct vent fireplace Tim Valters 1997-09-23
5562088 Termination device for horizontal direct vent gas fireplaces or the like Tim Valters, Joseph Yeremian 1996-10-08