Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
DA

David Agar — 8 Patents

Basf Se: 6 patents #2,778 of 13,826Top 25%
Daimlerchrysler Ag: 1 patents #1,774 of 4,854Top 40%
Rimbach, DE: #3 of 50 inventorsTop 6%
Overall (All Time): #600,572 of 4,157,543Top 15%
8 Patents All Time
David Agar has been granted 8 US patents while listed as an inventor at Basf Se. The first was granted in 1990 and the most recent in June 2013. David Agar ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list David Agar in Rimbach, DE.

Patents per Year

Patents granted per year, 1990 to 2013Bar chart with a peak of 1 patents in 1990.peak 11990: 1 patents19901991: 1 patents19911992: 1 patents19921995: 1 patents19951998: 1 patents19982001: 1 patents20012005: 1 patents20052013: 1 patents2013

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8470079 Separating CO2 from gas mixtures Yudy Halim Tan, Zhang Xiaohui 2013-06-25
6893754 Fuel cell system with device for water recovery and method of operating such a system Andreas Docter, Martin Gosewinkel, Marc Sommer 2005-05-17 $24,879,000
6328941 Thermal decomposition of N2O Otto Watzenberger 2001-12-11 $273,000
5728317 Polyisocyanate compositions having a long shelf life and obtainable by phosgene-free methods, their preparation and their use Gerhard Laqua, Franz Merger, Tom Witzel, Ursula Siebenhaar 1998-03-17
5461174 Method of reacting carboxylic chlorides dissolved in carboxylates Joerg Therre, Hans Volkmar Schwarz 1995-10-24
5175316 Cyclic preparation of cyclohexene oxide, cyclohexanol and cyclohexanone Paul-Michael Bever, Hans H. Schuster, Gerald Neubauer 1992-12-29
5032684 Continuous purification of caprolactam Gerald Neubauer, Josef Ritz, Hugo Fuchs, Rolf Fischer, Uwe Vagt 1991-07-16
4927542 Elimination of hydroxylammonium salts from wastewaters containing such salts Hugo Fuchs 1990-05-22