Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Lothar Schaar — 5 Patents

UNUnknown: 3 patents #7,366 of 83,584Top 9%
Apolda, DE: #9 of 34 inventorsTop 30%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Lothar Schaar has been granted 5 US patents while listed as an inventor at Unknown. The first was granted in 1981 and the most recent in February 1999. Lothar Schaar ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Lothar Schaar in Apolda, DE.

Patents per Year

Patents granted per year, 1981 to 1999Bar chart with a peak of 2 patents in 1983.peak 21981: 1 patents19811983: 2 patents19831997: 1 patents19971999: 1 patents1999

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
5869327 Apparatus for the biological treatment of substances and/or mixtures of substances in closed rotting reactors Klaus Grabbe, Andreas Deutsch 1999-02-09
5693528 Composting unit having a ventilation system for closed rotting units Klaus Grabbe, Andreas Deutsch 1997-12-02
4391578 Machine for the production of hollow articles in at least one multiple mold 1983-07-05
4388099 Pressurized fluid distributing arrangement for a forming tool for shaping thermoplastic material Helmut Hermening, Norbert Monden, Wilhelm Schneider, Hans-Georg Seidel 1983-06-14
4251253 Cooling system for molds Kurt Becker 1981-02-17