Inventor · Durango, CO, US

Gerald P. Zink

27Patents
9h-index
5Co-inventors
68Inventor score

Filing activity: Feb 11, 1980 → Apr 5, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US6059202A High pressure liquid rotary coupling with slip seal Performing Operations; Transporting 38 Expired
US5909848A High pressure liquid rotary nozzle with coil spring retarder Performing Operations; Transporting 38 Expired
US5947387A Adjustable rotating water jet tool for three dimensional cleaning Performing Operations; Transporting 26 Expired
US8720811B2 Apparatus and method for storing and dispensing a pressure hose Emerging Cross-Sectional Technologies 14 Active
US4266620A High pressure fluid apparatus Emerging Cross-Sectional Technologies 13 Expired
US6085994A Cable supported rotary multi-jet nozzle Performing Operations; Transporting 13 Expired
US8505845B2 System and method for storing, rotating, and feeding a high pressure hose Performing Operations; Transporting 10 Active
US9550649B2 Apparatus for propelling a coil clad hose Emerging Cross-Sectional Technologies 10 Active
US8863775B2 High pressure fluid spray nozzle incorporating a flow controlled switching valve Emerging Cross-Sectional Technologies 9 Active
US8667987B2 Flow controlled switching valve Emerging Cross-Sectional Technologies 9 Active
US9022057B2 Flow controlled switching valve Emerging Cross-Sectional Technologies 5 Active
US10272480B2 Apparatus for remotely propelling a flexible lance into and out of a piping system Performing Operations; Transporting 4 Active
US9440817B2 Apparatus for storing and dispensing a high pressure hose Emerging Cross-Sectional Technologies 3 Active
US10933453B2 Apparatus for remotely propelling a flexible lance into and out of a piping system Performing Operations; Transporting 1 Active
US9016613B2 System and method for storing, rotating, and feeding a high pressure hose Performing Operations; Transporting 1 Active
US8871033B2 Apparatus for insertion in a tank and method thereof Emerging Cross-Sectional Technologies 1 Active
US10480874B2 Pro-boxer flexible lance positioner apparatus Mechanical Engineering; Lighting; Heating 1 Active
US9950348B2 Flexible cleaning lance positioner guide apparatus Performing Operations; Transporting 1 Active
US12311412B2 Battery electric high pressure fluid pump system for industrial cleaning operations Mechanical Engineering; Lighting; Heating 0 Active
US9433982B2 Apparatus for insertion in a tank and method thereof Emerging Cross-Sectional Technologies 0 Active
US9699361B2 Camera skid tractor nozzle assembly Physics 0 Active
US10155291B2 Coil clad hose assembly apparatus and method Emerging Cross-Sectional Technologies 0 Active
US9844845B1 Coil clad hose assembly apparatus and method Emerging Cross-Sectional Technologies 0 Active
US10265736B2 Cleaning lance rotator drive apparatus Performing Operations; Transporting 0 Active
US9467601B2 Camera skid tractor nozzle assembly Physics 0 Active

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