Inventor · Brooklyn Park, MN, US

Richard O'Brien

24Patents
12h-index
22Co-inventors
81Inventor score

Filing activity: Feb 26, 1974 → Jun 8, 2011

Most-cited inventions

PatentTitleAreaCited byStatus
US6658571B1 Security framework for dynamically wrapping software applications executing in a computing system Physics 115 Expired
US7308702B1 Locally adaptable central security management in a heterogeneous network environment Emerging Cross-Sectional Technologies 107 Expired
US7263718B2 Security framework for supporting kernel-based hypervisors within a computing system Physics 57 Expired
US6591456B2 Cushioning device Emerging Cross-Sectional Technologies 32 Expired
USD465809S1 Writing instrument General 32 Expired
US6755584B2 Writing instrument Performing Operations; Transporting 29 Expired
USD461500S1 Writing instrument General 23 Expired
US3952053A Method for recovering terephthalic acid and ethylene glycol from polyester materials Emerging Cross-Sectional Technologies 22 Expired
US4115188A Method for recycling paper mill waste water Textiles; Paper 20 Expired
US8550735B2 Writing instrument with cushioning device Performing Operations; Transporting 19 Active
US8181222B2 Locally adaptable central security management in a heterogeneous network environment Electricity 16 Active
USD456041S1 Writing instrument General 16 Expired
US8590005B2 Multi-domain information sharing Physics 12 Active
USD468354S1 Writing instrument grip General 12 Expired
USD484190S1 Writing instrument cap General 12 Expired
US6446658B1 Bleed member and bleed valve assembly Emerging Cross-Sectional Technologies 9 Expired
US7137751B2 Writing instrument with cushioning element Performing Operations; Transporting 7 Expired
US7070351B2 Writing instrument with gripping device Performing Operations; Transporting 7 Expired
US8915663B2 Writing instrument with eraser protected by a sleeve Performing Operations; Transporting 4 Active
US9485218B2 Device for preventing, detecting and responding to security threats Electricity 3 Active
USD480107S1 Writing instrument grip General 1 Expired
USD478933S1 Writing instrument grip General 1 Expired
US3963176A Combined article selector and coder Physics 0 Expired
US4011986A Interposer mechanism Physics 0 Expired

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