Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Robert Lammens — 5 Patents

BHBayer Healthcare: 4 patents #2,099 of 8,007Top 30%
UNUnknown: 1 patents #29,356 of 83,584Top 40%
Leverkusen, DE: #427 of 1,687 inventorsTop 30%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Robert Lammens has been granted 5 US patents while listed as an inventor at Bayer Healthcare. The first was granted in 1987 and the most recent in August 2022. Robert Lammens ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Robert Lammens in Leverkusen, DE.

Patents per Year

Patents granted per year, 1987 to 2022Bar chart with a peak of 2 patents in 1989.peak 21987: 1 patents19871989: 2 patents19891990: 1 patents19902022: 1 patents2022

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
11420212 Methods and devices for controlling the dry granulation process Paul Gerteis 2022-08-23
4957922 Infusion solutions of 1-cyclopropyl-6-fluoro-1,4-di-hydro-4-oxo-7-(1-piperazinyl)-quinoline-3- carboxylic acid Hans Mahler, Peter Serno 1990-09-18
4808583 Solutions of lactic acid salts of piperazinylquinolone- and piperazinyl-azaquinolone-carboxylic acids Klaus Grohe 1989-02-28
4808585 Solutions of lactic acid salts of piperazinylquinolone- and piperazinyl-azaquinolone-carboxylic acids Klaus Grohe 1989-02-28
4705789 Solutions of lactic acid salts of piperazinylquinolone- and piperazinyl-azaquinolone-carboxylic acids Klaus Grohe 1987-11-10