Inventor · Onalaska, WI, US

Derrick Lepak

9Patents
1h-index
12Co-inventors
44Inventor score

Filing activity: May 9, 2011 → Feb 28, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US8613555B2 Composite metal-polymer bushing and crankshaft assembly Emerging Cross-Sectional Technologies 7 Active
US10197059B2 Double-ended scroll compressor lubrication of one orbiting scroll bearing via crankshaft oil gallery from another orbiting scroll bearing Mechanical Engineering; Lighting; Heating 1 Active
US9598960B2 Double-ended scroll compressor lubrication of one orbiting scroll bearing via crankshaft oil gallery from another orbiting scroll bearing Mechanical Engineering; Lighting; Heating 0 Active
US11371505B2 Scroll compressor with economizer injection Mechanical Engineering; Lighting; Heating 0 Active
US12012963B2 Scroll compressor with economizer injection Mechanical Engineering; Lighting; Heating 0 Active
US11162495B2 Oil circulation in a scroll compressor Mechanical Engineering; Lighting; Heating 0 Active
US12338818B2 Scroll compressor with intermediate injection Mechanical Engineering; Lighting; Heating 0 Active
US11480176B2 Scroll compressor with economizer injection Mechanical Engineering; Lighting; Heating 0 Active
US9657737B2 Scroll compressor with pressurized oil balance piston Mechanical Engineering; Lighting; Heating 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.