Inventor · Dereham, GB

Roger E. Powell

6Patents
6h-index
6Co-inventors
48Inventor score

Filing activity: Nov 30, 1990 → Jun 7, 1995

Most-cited inventions

PatentTitleAreaCited byStatus
US5213225A Container and closure Performing Operations; Transporting 84 Expired
US5656782A Pressure sealed housing apparatus and methods Physics 78 Expired
USD329980S Container cap General 38 Expired
US5454476A Container and closure Performing Operations; Transporting 37 Expired
USD366000S Pressure transmitter housing General 34 Expired
US5769254A Container and closure with alignable handle Performing Operations; Transporting 21 Expired

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