RR

Robert R. Roelofs

PO Ppg Industries Ohio: 4 patents #321 of 1,316Top 25%
Basf Se: 2 patents #5,851 of 13,826Top 45%
📍 Allen Park, MI: #24 of 240 inventorsTop 10%
🗺 Michigan: #9,426 of 86,293 inventorsTop 15%
Overall (All Time): #475,659 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
12188130 Acid zinc sulfate metal pretreatment Jennifer Kim 2025-01-07
10479957 Lubricant for metal cold forming processes and methods of use of the same 2019-11-19
7618677 Method of powder coating weldable substrates Hans Letzring 2009-11-17
7249492 Method and device for evaluating and/or adjusting the cleaning performance of a cleaning liquid 2007-07-31
6694804 Method and device for evaluating and/or adjusting the cleaning performance of a cleaning liquid 2004-02-24
5993562 Method, composition, and kit for abrasive cleaning of fluid delivery systems Jonathan N. Warren, Robert N. Deneau 1999-11-30
5126068 Hard surface cleaning composition containing polyacrylate copolymers as performance boosters John J. Burke 1992-06-30
5104563 Low molecular weight polypropylene surfactants which interact with anionic and nonionic surfactants Michael J. Anchor 1992-04-14
4835149 Solubilization of salts of pyridine-2-thiol-1-oxide John J. Burke, Michael Gates Kinnaird 1989-05-30
4780245 Solubilization of dimethyl polysiloxanes John J. Burke 1988-10-25