Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
RH

Robert D. P. Hei — 73 Patents

EUEcolab Usa: 22 patents #53 of 1,442Top 4%
Baldwin, WI: #1 of 35 inventorsTop 3%
Wisconsin: #157 of 40,088 inventorsTop 1%
Overall (All Time): #27,206 of 4,157,543Top 1%
73 Patents All Time

Issued Patents All Time

Showing 51–73 of 73 patents

Patent #TitleCo-InventorsDate
6514556 Method and composition for washing poultry during processing John D. Hilgren, Timothy A. Gutzmann 2003-02-04
6506737 Antimicrobial phosphonium and sulfonium polyhalide compositions Kim R. Smith 2003-01-14
6489281 Cleaning composition comprising inorganic acids, an oxidant, and a cationic surfactant Kim R. Smith, Michael E. Besse, Jerry D. Hoyt 2002-12-03
6479454 Antimicrobial compositions and methods containing hydrogen peroxide and octyl amine oxide Kim R. Smith 2002-11-12
6440910 Hydrophobic and particulate soil removal composition and method for removal of hydrophobic and particulate soil Kim R. Smith, Carrie Armstrong, Paul Mattia, Wendy Wiseth, Jennifer Layton +1 more 2002-08-27
6436445 Antimicrobial and antiviral compositions containing an oxidizing species Kim R. Smith, Polly D. Laugen, Shaun Patrick Kennedy 2002-08-20
6407051 Microemulsion detergent composition and method for removing hydrophobic soil from an article Kim R. Smith, Wendy Wiseth, David J. Falbaum, Paul Mattia, Victor Fuk-Pong Man 2002-06-18
6399556 Laundry pre-treatment or pre-spotting compositions used to improve aqueous laundry processing Kim R. Smith, Carrie Armstrong, Paul Mattia, Mark Levitt, Wendy Wiseth 2002-06-04
6350725 Composition and method for road-film removal Mark Levitt, Terry J. Klos, Michael E. Besse, Jerry D. Hoyt, Cathleen Norland +1 more 2002-02-26
6339054 Composition and method for road-film removal Mark Levitt, Terry J. Klos, Michael E. Besse, Jerry D. Hoyt, Cathleen O'Connor +1 more 2002-01-15
6309471 Rapid removal of iodine stains Kim R. Smith, Mark Levitt 2001-10-30
6290732 Laundry process with enhanced ink soil removal Kim R. Smith, Wendy Wiseth 2001-09-18
6262013 Sanitizing laundry sour Kim R. Smith, Lynne A. Olson, Wendy Wiseth, Paul Mattia 2001-07-17
6238685 Peroxy acid treatment to control pathogenic organisms on growing plants Leanne J. Adkins, Keith D. Lokkesmoe, Heidi M. Hanson, Bruce R. Cords 2001-05-29
6204233 Laundry pre-treatment or pre-spotting compositions used to improve aqueous laundry processing Kim R. Smith, Carrie Armstrong, Paul Mattia, Mark Levitt, Wendy Wiseth 2001-03-20
6180592 Hydrophobic and particulate soil removal composition and method for removal of hydrophobic and particulate soil Kim R. Smith, Carrie Armstrong, Paul Mattia, Wendy Wiseth, Jennifer Layton +1 more 2001-01-30
6165483 Peroxy acid treatment to control pathogenic organisms on growing plants Leanne J. Adkins, Keith D. Lokkesmoe, Heidi M. Hanson, Bruce R. Cords 2000-12-26
6024986 Method of protecting growing plants from the effects of plant pathogens 2000-02-15
5871590 Vehicle cleaning and drying compositions Michael E. Besse, Terry J. Klos, Keith D. Lokkesmoe, James J. Tarara, Kimberly L. Person Hei 1999-02-16
5858443 Process for effecting microbial control and reducing slime growth on hard surfaces in food processing equipment using inline ozonation Keith D. Lokkesmoe, Guang-Jong Jason Wei, Bruce R. Cords 1999-01-12
5750484 Composition and improved pH driven method for wastewater separation using an amphoteric carboxylate and a cationic destabilizer composition David J. Falbaum, Helmut K. Maier, Paul Mattia 1998-05-12
5741768 Composition and improved PH driven method for wastewater separation using an amphoteric dicarboxylate and a cationic destabilizer composition David J. Falbaum, Helmut K. Maier, Paul Mattia 1998-04-21
5523000 Improved pH driven method for wastewater separation using an amphoteric dicarboxylate and a cationic destabilizer composition David J. Falbaum, Helmut K. Maier, Paul Mattia 1996-06-04