Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Robert C. Schreck — 2 Patents

WSWittenstein Se: 1 patents #15 of 63Top 25%
Monroeville, PA: #315 of 710 inventorsTop 45%
Pennsylvania: #30,766 of 74,527 inventorsTop 45%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Robert C. Schreck has been granted 2 US patents while listed as an inventor at Wittenstein Se. The first was granted in 1980 and the most recent in July 2021. Robert C. Schreck ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Robert C. Schreck in Monroeville, PA, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11067197 Subsea shut-off device Markus Glaser 2021-07-20
4188993 Heat recovery systems Fred M. Heyn, Ching-Feng Yin, Gordon L. Hanson 1980-02-19