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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Peter Kirch — 2 Patents

BOBOE: 2 patents #5,948 of 12,373Top 50%
Weilheim, DE: #95 of 205 inventorsTop 50%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Peter Kirch has been granted 2 US patents while listed as an inventor at BOE. The first was granted in 1989 and the most recent in May 1990. Peter Kirch ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Peter Kirch in Weilheim, DE.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4925945 Certain -N-(amino benzoyl)-N'-(pyridyldithioalkanoyl)-hydrazines and derivatives thereof Christian Klein 1990-05-15
4885255 Immunochemical process and reagent for the determination of a polyvalent antigen in a liquid sample Werner Stock, Manfred Baier, Klaus P. Kaspar 1989-12-05