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Robert Appleby — 2 Patents

PEPerma-Pipe: 1 patents #4 of 8Top 50%
Redwood City, CA: #2,815 of 5,061 inventorsTop 60%
California: #187,151 of 386,348 inventorsTop 50%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Robert Appleby has been granted 2 US patents while listed as an inventor at Perma-Pipe. The first was granted in 1983 and the most recent in November 2010. Robert Appleby ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Robert Appleby in Redwood City, CA, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7824595 Method and system for cast molding a fluid conduit Glen Pfanner, Billy Ervin 2010-11-02 $411,000
4399832 Air gap assembly — 1983-08-23

Frequent Collaborators

Glen Pfanner1 shared
Billy Ervin1 shared

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