Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
RA

Robert Acker — 4 Patents

WMWilliams Advanced Materials: 2 patents #1 of 8Top 15%
Englewood, CO: #210 of 810 inventorsTop 30%
Colorado: #10,815 of 40,980 inventorsTop 30%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Robert Acker has been granted 4 US patents while listed as an inventor at Williams Advanced Materials. The first was granted in 1988 and the most recent in January 2011. Robert Acker ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Robert Acker in Englewood, CO, US.

Patents per Year

Patents granted per year, 1988 to 2011Bar chart with a peak of 1 patents in 1988.peak 11988: 1 patents19881989: 1 patents19892004: 1 patents20042011: 1 patents2011

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
7871563 Process for the refurbishing of a sputtering target Adrish Ganguly, Matthew T. Willson 2011-01-18
6755944 Ion beam deposition targets having an interlocking interface and a replaceable insert Henry L. Grohman, Matthew T. Wilson 2004-06-29
4846266 Header assembly for plate-type evaporative heat exchangers John P. Madron 1989-07-11
4758385 Plate for evaporative heat exchanger and evaporative heat exchanger Karl Egbert 1988-07-19