Inventor · Crystal Lake, IL, US

Robert J. DeGroot

17Patents
7h-index
24Co-inventors
66Inventor score

Filing activity: Dec 9, 1994 → Dec 12, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US5808586A Side-by-side coil-fed antenna for a portable radio Electricity 37 Expired
US8794299B2 2-Pass heat exchanger including thermal expansion joints Emerging Cross-Sectional Technologies 14 Active
US7121329B2 Plastic tanked heat exchanger-side, header tank assembly Mechanical Engineering; Lighting; Heating 14 Expired
US5945964A Multi-band antenna structure for a portable radio Electricity 13 Expired
US11014582B2 System and method for reconfiguring an autorack Performing Operations; Transporting 12 Active
US7441620B2 Radiator and isolation and mount system Emerging Cross-Sectional Technologies 11 Active
US7413006B2 Header plate for use in a heat exchanger Mechanical Engineering; Lighting; Heating 7 Active
US6446711B1 Side piece for heat exchangers Mechanical Engineering; Lighting; Heating 7 Expired
US5608761A Method, device, and radio for compensating for modulator frequency drift while allowing for data transmission Electricity 5 Expired
US10700421B2 Antenna design in the body of a wearable device Electricity 2 Active
US10576998B2 System and method for reconfiguring an autorack Performing Operations; Transporting 2 Active
US11233317B2 Antenna design in the body of a wearable device Electricity 1 Active
US11600907B2 Antenna design in the body of a wearable device Electricity 0 Active
US11305789B2 System and method for reconfiguring an autorack Performing Operations; Transporting 0 Active
US11608091B2 System and method for reconfiguring an autorack Performing Operations; Transporting 0 Active
US11649744B2 Capstan-driven air pump system for opening and closing a longitudinal railcar door Mechanical Engineering; Lighting; Heating 0 Active
US11318966B2 System and method for reconfiguring an autorack Performing Operations; Transporting 0 Active

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