Inventor · Minneapolis, MN, US

Walter R. Wagner

12Patents
9h-index
11Co-inventors
69Inventor score

Filing activity: Nov 10, 1975 → Aug 1, 1997

Most-cited inventions

PatentTitleAreaCited byStatus
US4482086A Expandable packer assembly for sealing a well screen to a casing Fixed Constructions 34 Expired
US4406326A Plastic well screen and method of forming same Emerging Cross-Sectional Technologies 28 Expired
US4370919A Vent cap assembly for a monitoring well Emerging Cross-Sectional Technologies 20 Expired
US5613450A Mobile folding stage Fixed Constructions 17 Expired
US4378294A Filament wound well screen and method and apparatus for making same Performing Operations; Transporting 14 Expired
US6070367A Folding stage Fixed Constructions 13 Expired
USD272050S Control unit housing for an electrical protection system General 11 Expired
US5006228A Mounting system for increasing the wear life of a vibrating screen panel Performing Operations; Transporting 10 Expired
US4365669A Non-solvent bonded plastic well screen assembly Performing Operations; Transporting 9 Expired
US4381820A Filament reinforced plastic screen and apparatus for making same Performing Operations; Transporting 8 Expired
US4000801A Print wire attachment Performing Operations; Transporting 6 Expired
US4415396A Apparatus for making filament reinforced plastic screen Emerging Cross-Sectional Technologies 2 Expired

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