Inventor
Derrick Lepak
Inventor
La Crosse, WI, US
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F04Cprimary
F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids44%
F01CRotary-piston or oscillating-piston machines or engines22%
F05CIndexing scheme relating to materials, material properties or material characteristics for machines, engines or pumps other than non-positive-displacement machines or engines11%
F16CShafts11%
Y10TTechnical subjects covered by former us classification11%
PatentTitleYear
10,197,059Double-ended scroll compressor lubrication of one orbiting scroll bearing via crankshaft oil gallery from another orbiting scroll bearing20199,657,737'Scroll compressor with pressurized oil balance piston'20179,598,960'Double-ended scroll compressor lubrication of one orbiting scroll bearing via crankshaft oil gallery from another orbiting scroll bearing'20178,613,555'Composite metal-polymer bushing and crankshaft assembly'2013Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2013–2019Patents assigned to TRANE INT INC (4)· patent assignee history
2013Patents assigned to BENCO MICHAEL G (1)· patent assignee history
2013Patents assigned to BUTTERWORTH ARTHER L (1)· patent assignee history
2013Patents assigned to DORMAN DENNIS R (1)· patent assignee history
2013Patents assigned to JANDA DAVID (1)· patent assignee history
2013–2019Based in La Crosse, WI, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TRANE INT INC | 4 | 2013–2019 |
| BENCO MICHAEL G | 1 | 2013 |
| BUTTERWORTH ARTHER L | 1 | 2013 |
| DORMAN DENNIS R | 1 | 2013 |
| JANDA DAVID | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| La Crosse, WI, US | 4 | 2013–2019 |