Inventor · Sheffield, GB

Andrew Ryan Johnson

5Patents
2h-index
10Co-inventors
48Inventor score

Filing activity: Dec 14, 1994 → Feb 1, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US7954179B2 Water closet bolt Fixed Constructions 8 Active
US5524743A Quick-acting drive devices Mechanical Engineering; Lighting; Heating 7 Expired
US9416525B2 Water closet bolt Fixed Constructions 1 Active
US10906124B2 Swing arm assembly with lift assembly Performing Operations; Transporting 0 Active
US11607745B2 Swing arm assembly with lift assembly Performing Operations; Transporting 0 Active

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