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

Hans Hammer — 22 Patents

Basf Se: 9 patents #1,877 of 13,826Top 15%
AAAudi Ag: 6 patents #210 of 2,982Top 8%
HSHanon Systems: 2 patents #339 of 877Top 40%
TLThe Singer Company Limited: 1 patents #229 of 510Top 45%
Weiler an der Zaber, DE: #1 of 13 inventorsTop 8%
Overall (All Time): #189,202 of 4,157,543Top 5%
22 Patents All Time
Hans Hammer has been granted 22 US patents while listed as an inventor at Basf Se. The first was granted in 1982 and the most recent in August 2025. Hans Hammer ranks #189,202 of 4,157,543 US inventors in our database (top 4.6%). Patent records list Hans Hammer in Weiler an der Zaber, DE.

Patents per Year

Patents granted per year, 1982 to 2025Bar chart with a peak of 4 patents in 2005.peak 41982: 1 patents19821985: 1 patents1986: 1 patents19861991: 1 patents1992: 1 patents19921996: 1 patents1997: 1 patents19972004: 1 patents2005: 4 patents20052007: 2 patents2017: 1 patents20172018: 1 patents2020: 3 patents20202021: 2 patents2025: 1 patents2025

Issued Patents All Time

Showing 1–22 of 22 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12397617 Refrigeration system having a heat pump function for a motor vehicle, having a single sensor device on the low-pressure side Christian Rebinger, Dirk Schroeder 2025-08-26
10976084 Evaporator in a refrigerant circuit a Predrag Hrnjak, Andrew Musser, Stefan Elbel, Hui Zhao 2021-04-13
10895410 Evaporator in a refrigerant circuit B Predrag Hrnjak, Andrew Musser, Stefan Elbel, Matej VISEK 2021-01-19
10760833 Evaporator in a refrigerant circuit c Predrag Hrnjak, Andrew Musser, Stefan Elbel 2020-09-01
10760834 Evaporator in a refrigerant circuit D Predrag Hrnjak, Andrew Musser, Stefan Elbel, Wesley Schell 2020-09-01
10760835 Evaporator in a refrigerant circuit E Predrag Hrnjak, Andrew Musser, Stefan Elbel, Jing CHE 2020-09-01
9908383 Air conditioning system for a motor vehicle Peter Heyl, Dirk Schroeder, Jörg Bodewig 2018-03-06
9656535 Method for operating an air conditioner for a motor vehicle Peter Heyl, Dirk Schroeder, Jörg Bodewig 2017-05-23
7279602 Method for separating triethanolamin from a mixture obtainable by ammonia and ethylene oxide reaction Wolfgang Reif, Guenther Ruider, Anton Meier, Philip Buskens, Matthias Frauenkron 2007-10-09
7241365 Material for a facility for the production of anhydrous formic acid Heinz Auer, Bernd Bessling, Hans Hasse, Friedrich Sauer, Maximilian Vicari +2 more 2007-07-10 $1,296,000
6921833 Method for the continuous production of methyl formate Heinz Auer, Jurgen Dahlhaus, Karl Fischer, Jochen Kellenbenz, Michael Schulz +2 more 2005-07-26 $645,000
6867329 Waste water treatment in a method for producing formic acid which is free of water Heinz Auer, Bernd Bessling, Hans Hasse, Friedrich Sauer, Maximilian Vicari +1 more 2005-03-15 $297,000
6841700 Method for producing anhydrous formic acid Heinz Auer, Bernd Bessling, Hans Hasse, Friedrich Sauer, Maximilian Vicari +1 more 2005-01-11 $659,000
6838579 Utilization of an extracting agent as antifoaming agent in the production of anhydrous formic acid Heinz Auer, Bernd Bessling, Hans Hasse, Friedrich Sauer, Maximilian Vicari +2 more 2005-01-04 $653,000
6696603 Method for cleaning off-gas flows Heinz Auer, Bernd Bessling, Hans Hasse, Friedrich Sauer, Maximilian Vicari +2 more 2004-02-24 $253,000
5679102 Exercise equipment with integrated body weight scale 1997-10-21
5545757 Production of ethanolamines Werner Reutemann 1996-08-13
5165842 Parking system and method of automatically parking motor vehicles 1992-11-24
5066187 Parking system and method of automatically parking motor vehicles 1991-11-19
4567303 Process and apparatus for preparing or reacting alkanolamines Guenter Boettger, Otto Hertel, Gerhard Jeschek, Herbert Mueller, Emil Scharf +1 more 1986-01-28
4519330 Sewing needle with two portion shank Thaddeus J. Zylbert, Wolf-Dieter Fuhrmann, Fritz Kappertz 1985-05-28 $3,805,000
4354960 Process for the production of boron-containing nickel-aluminum oxide catalysts Heinz Jacobi 1982-10-19