Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Hubert Bildstein — 2 Patents

SDSchwarzkopf Development: 2 patents #5 of 36Top 15%
Reutte, AT: #33 of 92 inventorsTop 40%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Hubert Bildstein has been granted 2 US patents while listed as an inventor at Schwarzkopf Development. The first was granted in 1983 and the most recent in May 1985. Hubert Bildstein ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Hubert Bildstein in Reutte, AT.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4516255 Rotating anode for X-ray tubes Helmut Petter, Fritz Simader 1985-05-07
4394953 Method of joining individual parts of an X-ray anode, in particular of a rotating anode Alfred Sonnweber, Lambert Egger 1983-07-26