Inventor · Swansea, GB

Malcolm F. Douglas

17Patents
11h-index
16Co-inventors
69Inventor score

Filing activity: Nov 27, 1990 → Nov 26, 2014

Most-cited inventions

PatentTitleAreaCited byStatus
US6820824B1 Apparatus for spraying liquids, disposable containers and liners suitable for use therewith Emerging Cross-Sectional Technologies 139 Expired
US7188785B2 Reservoir with refill inlet for hand-held spray guns Performing Operations; Transporting 68 Expired
US7374111B2 Apparatus for spraying liquids, and disposable containers and liners suitable for use therewith Emerging Cross-Sectional Technologies 62 Expired
US7143960B2 Liquid sample reservoir suitable for use with a spraying apparatus Performing Operations; Transporting 28 Expired
US6013222A Method of producing sheet material incorporating particulate matter Performing Operations; Transporting 25 Expired
US7798427B2 Apparatus for spraying liquids, and disposable containers and liners suitable for use therewith Emerging Cross-Sectional Technologies 23 Expired
US7798426B2 Apparatus for spraying liquids, and disposable containers and liners suitable for use therewith Emerging Cross-Sectional Technologies 22 Expired
US6942126B2 Conformable pouch reservoir for spray gun Performing Operations; Transporting 22 Expired
US8002200B2 Apparatus for spraying liquids, and disposable containers and liners suitable for use therewith Emerging Cross-Sectional Technologies 17 Active
US5057433A Indicator elements for autoclaves Physics 16 Expired
US7798421B2 Apparatus for spraying liquids, and disposable containers and liners suitable for use therewith Emerging Cross-Sectional Technologies 13 Active
US7815130B2 Reservoir with refill inlet for hand-held spray guns Performing Operations; Transporting 8 Active
US8628026B2 Apparatus for spraying liquids, and disposable containers and liners suitable for use therewith Emerging Cross-Sectional Technologies 3 Active
US8424780B2 Apparatus for spraying liquids, and adapters and liquid reservoirs suitable for use therewith Emerging Cross-Sectional Technologies 2 Active
USD751358S1 Masking article General 2 Active
US8955770B2 Apparatus for spraying liquids, and adapters and liquid reservoirs suitable for use therewith Emerging Cross-Sectional Technologies 2 Active
US9211553B2 Apparatus for spraying liquids, and adapters and liquid reservoirs suitable for use therewith Emerging Cross-Sectional Technologies 0 Active

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