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

Robert N. Hamlin — 14 Patents

3M: 3 patents #4,239 of 11,543Top 40%
S(Schneider (Usa): 3 patents #21 of 106Top 20%
VIVivaquant: 2 patents #3 of 8Top 40%
EMEmpi: 2 patents #27 of 56Top 50%
VUVulcan: 1 patents #28 of 55Top 55%
SPSun Oil Company Of Pennsylvania: 1 patents #6 of 18Top 35%
Illinois Tool Works: 1 patents #3,975 of 4,311Top 95%
Duncan, OK: #93 of 603 inventorsTop 20%
Oklahoma: #688 of 12,736 inventorsTop 6%
Overall (All Time): #332,869 of 4,157,543Top 9%
14 Patents All Time
Robert N. Hamlin has been granted 14 US patents while listed as an inventor at 3M. The first was granted in 1981 and the most recent in July 2022. Robert N. Hamlin ranks #332,869 of 4,157,543 US inventors in our database (top 8.0%). Patent records list Robert N. Hamlin in Duncan, OK, US.

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
D956593 Test station terminal 2022-07-05
9072438 Method and apparatus for identifying cardiac risk Marina Brockway, Brian Brockway 2015-07-07
8688202 Method and apparatus for identifying cardiac risk Marina Brockway, Brian Brockway 2014-04-01
6327496 Iontophoresis electrode Robert Clapp, Robert Burgmeier 2001-12-04
6132824 Multilayer catheter balloon 2000-10-17 $465,488,000
6129690 Unidirectional resistance pivot assembly for a splint John VanScoy, Timothy G. Haines 2000-10-10
5964353 Energy absorbing carrier tape 1999-10-12 $54,837,000
5664680 Pockets for microchip carriers 1997-09-09
5270086 Multilayer extrusion of angioplasty balloons 1993-12-14 $30,401,000
5113555 Container with intermeshable closure members Shari J. Wilson, Roger H. Appeldorn 1992-05-19 $11,794,000
5088164 Container with intermeshable closure members Shari J. Wilson, Roger H. Appeldorn 1992-02-18 $7,178,000
5009659 Fiber tip atherectomy catheter Rick L. Shockey, Robert Tassel 1991-04-23 $42,688,000
4578078 Intraocular lens with asymetric vaulted support loops James J. Arkell 1986-03-25 $6,200,000
4286973 Wet gas scrubbing of particulates William W. Dickinson 1981-09-01 $12,408,000