DR

Dennis Roffe

SC Schaeffler: 26 patents #27 of 2,365Top 2%
📍 Fort Mill, SC: #14 of 349 inventorsTop 5%
🗺 South Carolina: #391 of 15,501 inventorsTop 3%
Overall (All Time): #148,739 of 4,157,543Top 4%
26
Patents All Time

Issued Patents All Time

Showing 1–25 of 26 patents

Patent #TitleCo-InventorsDate
12228174 Bearing assembly with a retainer 2025-02-18
12203502 Bearing housing assembly and ring configured to provide multiple modes of operation James Brown 2025-01-21
12158183 Thrust bearing cage with dual piloting flanges and oil inlet channels James Brown, Joseph T. Griffin 2024-12-03
11965553 Bearing cage Seth Claus, Guihui Zhong, Charles Schwab, Arjun Kailassh Magalingam Adithyan 2024-04-23
11933357 Bearing with integrated axial preload and method thereof Michael Heaton, Guihui Zhong, James Brown, Daniel Wuerdinger 2024-03-19
11892036 Bearing track cage for mitigating rolling element excursion Michael Heaton, Guihui Zhong 2024-02-06
11396909 Expandable stacked thrust bearing assembly James Brown 2022-07-26
11286988 Single-piece high-speed bearing cage Guihui Zhong, Michael Heaton 2022-03-29
11209048 Light weight, high frequency welded, 2-piece ball bearing cage assembly Michael Heaton, Guihui Zhong 2021-12-28
11193538 Bearing cage assembly including stiffening ring Michael Heaton, Guihui Zhong 2021-12-07
11131344 Snap-fit ball bearing cage Michael Heaton, Guihui Zhong 2021-09-28
11125273 Bearing cage assembly including metal shell Ronald Taylor, Guihui Zhong, Michael Heaton 2021-09-21
11118626 Multi-part bearing cage assembly Michael Heaton, Guihui Zhong 2021-09-14
11105370 Two-piece bearing cage for high-speed bearings Marion Jack Ince, Guihui Zhong, Michael Heaton 2021-08-31
11098762 Two-piece hybrid bearing cage assembly Guihui Zhong, Michael Heaton 2021-08-24
10697497 Two-piece bearing cage Michael Heaton 2020-06-30
10683891 Stacked thrust bearing arrangement James Brown 2020-06-16
10527095 Cage and ball sub-assembly for a ball bearing Michael Heaton 2020-01-07
10428929 Composite planetary staking pin with lubrication feed feature Charles Schwab, Alfred Thomas 2019-10-01
10228017 Encapsulated carrier hub and thrust needle bearing assembly James Brown, Charles Schwab 2019-03-12
9933010 Tiered axial bearing James Brown 2018-04-03
9709088 Method for manufacturing a radial and axial combination bearing and resulting bearing Seth Claus, James Brown 2017-07-18
9689424 Tiered axial taper roller bearing with common center ring Michael Heaton 2017-06-27
9670960 Radial rolling bearing assembly with connector sleeve Charles Schwab 2017-06-06
9581193 Press-fit combination bearing Clayton Brzezinski, Seth Claus 2017-02-28