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

Hermann Plainer — 14 Patents

Rohm Co.: 10 patents #296 of 2,292Top 15%
MAMetallgesellschaft Ag: 2 patents #164 of 715Top 25%
RGRoehm Gmbh: 2 patents #14 of 98Top 15%
RKRoehm Gmbh & Co. Kg: 1 patents #71 of 187Top 40%
RFRohm Gmbh Chemische Fabrik: 1 patents #43 of 153Top 30%
Darmstadt, DE: #126 of 1,865 inventorsTop 7%
Overall (All Time): #332,869 of 4,157,543Top 9%
14 Patents All Time
Hermann Plainer has been granted 14 US patents while listed as an inventor at Rohm Co.. The first was granted in 1980 and the most recent in September 2002. Hermann Plainer ranks #332,869 of 4,157,543 US inventors in our database (top 8.0%). Patent records list Hermann Plainer in Darmstadt, DE.

Patents per Year

Patents granted per year, 1980 to 2002Bar chart with a peak of 2 patents in 1980.peak 21980: 2 patents19801981: 2 patents1985: 1 patents19851986: 2 patents1987: 1 patents19871989: 1 patents1992: 1 patents19921993: 1 patents1999: 1 patents19992001: 1 patents2002: 1 patents2002

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
6451586 Enzyme preparation containing protease Juergen Christner, Guenter Partheil, Roland Reiner 2002-09-17
6228632 Leucine aminopeptidases produced recombinantly from Aspergillus soyae Erwin Schuster, Bruno Sproessler, Kornelia Titze, Michael J. Gottschalk, Nguyen Quoc Khanh +1 more 2001-05-08
6001640 Vegetable oil enzymatic degumming process by means of aspergillus phospholipase Fridolin Loeffler, Bruno Sproessler, Hans Ottofrickenstein 1999-12-14
5264367 Enzymatic treatment of edible oils Erik Aalrust, Wolfgang Beyer, Hans Ottofrickenstein, Georg Penk, Roland Reiner 1993-11-23
5169771 Method for making a sedimentation resistant stable enzyme dispersion Juergen Christner, Roland Reiner 1992-12-08
4839419 Method for immobilizing dissolved proteins Dieter Kraemer, Bruno Sproessier, Helmut Uhlig, Reiner Schnee 1989-06-13
4684525 Method for making beer Bruno Sproessler, Helmut Uhlig 1987-08-04
4622300 Hydrolysis of lactose in whey Hans Ottofrickenstein, Bruno Sprossler, Helmut Uhlig 1986-11-11
4563497 Method for making water soluble solid polymers Juergen Masanek, Horst Pennewiss 1986-01-07
4511694 Hydrophilic polymer carrier for proteins Dieter Kramer, Horst Pennewiss, Reiner Schnee, Waldemar Schleier 1985-04-16
4308120 Polymerization method using ultraviolet light Horst Pennewiss, Juergen Jakob, Juergen Masanek 1981-12-29
4271058 Stable aqueous solutions of certain vinyl copolymers Hans Trabitzsch, Josef Frieser, Achim Koschik 1981-06-02
4208309 Pearl polymer containing hollow pearls Dieter Kraemer, Waldemar Schleier 1980-06-17
4190713 Pearl polymer containing hollow pearls Dieter Kraemer, Waldemar Schleier 1980-02-26