Inventor · Holliston, MA, US

Gregory Cook

16Patents
9h-index
8Co-inventors
65Inventor score

Filing activity: Oct 14, 1980 → Sep 1, 2017

Most-cited inventions

PatentTitleAreaCited byStatus
USD649164S1 Bilge pump General 49 Expired
US6789648B2 Retractable ladder assembly Fixed Constructions 38 Expired
USD649163S1 Portable bilge pump General 28 Expired
USD638858S1 Combined pump and controller device General 20 Expired
USD657800S1 Diaphragm pump General 16 Expired
USD701246S1 Low profile pump General 10 Active
USD662113S1 Modular diaphragm pumping system General 10 Active
USD735240S1 Low profile pump General 9 Active
USD291878S Detachable passenger compartment for a golf cart General 9 Expired
USD752110S1 Low profile pump General 8 Active
USD692025S1 Hand-held, rechargeable, battery powered diaphragm pump General 5 Active
US5181835A Hydraulic pump Mechanical Engineering; Lighting; Heating 3 Expired
US6662559B1 Hydraulic actuator Performing Operations; Transporting 3 Expired
USD862085S1 Pressure vessel case General 2 Active
US10627052B2 Pressure vessel transport system Mechanical Engineering; Lighting; Heating 2 Active
USD267404S Beam counterweight for jack pumps General 1 Expired

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