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

Robert P. McCollam

3M: 4 patents #3,441 of 11,543Top 30%
Dow Global Technologies: 2 patents #1,896 of 4,534Top 45%
Roseville, MN: #144 of 611 inventorsTop 25%
Minnesota: #11,810 of 52,454 inventorsTop 25%
Overall (All Time): #862,236 of 4,157,543Top 25%
6 Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
8142588 Method for applying tape layer to outer periphery of spiral wound module 2012-03-27
8110016 Fluid filter assembly including seal 2012-02-07
6000603 Patterned array of metal balls and methods of making David C. Koskenmaki, Randolph D. Schueller 1999-12-14
5705253 Video recording tapes suitable for high speed contact duplication Alvin M. Berg, Benedict L. Bezenek, Thomas M. Bohlsen, James G. Carlson, Daniel Y. Chang +3 more 1998-01-06
5628827 Non-recirculating, die supplied doctored roll coater with solvent addition Norman E. Gehrke, Karl J. Warren, Mark D. Larson, George D. Kostuch, Thomas W. Braid 1997-05-13
5420742 Degausser for tape with plural recorded segments Donald B. Ketcham, Kent Kalar 1995-05-30