Inventor · Clarkston, MI, US

David E. O'Ryan

12Patents
9h-index
15Co-inventors
65Inventor score

Filing activity: Jun 21, 1984 → Jun 10, 2003

Most-cited inventions

PatentTitleAreaCited byStatus
US4927346A Apparatus for depositing particulate material into a pad of fibrous material in a forming chamber Performing Operations; Transporting 54 Expired
US5017324A Method for depositing particulate material into a pad of fibrous material in a forming chamber Performing Operations; Transporting 44 Expired
US4630777A Powder spray gun Performing Operations; Transporting 26 Expired
US4561380A Method and apparatus for powder coating a moving web Emerging Cross-Sectional Technologies 24 Expired
US5766355A Exhaust arrangements for powder spray booth Emerging Cross-Sectional Technologies 19 Expired
US4634058A Powder spray gun Performing Operations; Transporting 16 Expired
US4613083A Adjustable powder spray gun Performing Operations; Transporting 14 Expired
US5782943A Integrated powder collection system for paint spray booths Emerging Cross-Sectional Technologies 9 Expired
US6471737B2 Underbooth powder paint collector Emerging Cross-Sectional Technologies 9 Expired
US7258784B2 Solid liquid filtration apparatus and method Performing Operations; Transporting 7 Expired
US5603566A Powder hopper with internal air assist Performing Operations; Transporting 5 Expired
USRE33482E Adjustable powder spray gun General 1 Expired

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