Inventor · Buffalo Grove, IL, US

Paul Holbrook

69Patents
13h-index
51Co-inventors
87Inventor score

Filing activity: Aug 5, 1994 → Mar 28, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US5517392A Sleeve retention for flexible core of a flashlight Mechanical Engineering; Lighting; Heating 131 Expired
US6674364B1 Object finder Physics 74 Expired
US6293722A Binder Mechanism Performing Operations; Transporting 66 Expired
US7854415B2 Motorized support for a television or other electronic display Emerging Cross-Sectional Technologies 56 Active
US5979850A Caddy for appliance Human Necessities 45 Expired
US5921485A Food processor Human Necessities 45 Expired
US5908242A Stand mixer with locking connection between the mixing bowl and the bowl support Emerging Cross-Sectional Technologies 30 Expired
US5765938A Sleeve retention for flexible core of a flashlight Mechanical Engineering; Lighting; Heating 24 Expired
US6155733A Adjustable multi-tip marker Performing Operations; Transporting 20 Expired
US6688199B2 Four-bar upright punch Emerging Cross-Sectional Technologies 19 Expired
US8523020B2 Vented dispensing device Performing Operations; Transporting 16 Active
USD834944S1 Liquid dispenser General 16 Active
US8740005B1 Plastic tank having a clamped joint Performing Operations; Transporting 14 Active
US9809968B1 Leaching chamber having sidewall with tenced louvers Fixed Constructions 12 Active
US6079865A Electric mixer Emerging Cross-Sectional Technologies 11 Expired
US8857641B1 Manipulating and restraining a two piece septic tank Performing Operations; Transporting 11 Active
US9889986B2 Molded plastic water storage tank Performing Operations; Transporting 9 Active
US10427356B1 Plastic tank having a welded frusto-conical flange joint Performing Operations; Transporting 9 Active
US9233775B1 Molded plastic stormwater chamber having a hinged top joint Mechanical Engineering; Lighting; Heating 9 Active
US6347780B1 Device for hanging decorative lighting Mechanical Engineering; Lighting; Heating 9 Expired
US10442617B1 Multi-ring plastic storage tanks and risers Fixed Constructions 9 Active
US5957578A Stand mixer with head locking mechanism Human Necessities 8 Expired
US9260854B1 Method for internally supporting a septic tank and an internal support article for a septic tank Performing Operations; Transporting 8 Active
US9850647B1 Two piece plastic stormwater chamber having locking rod Fixed Constructions 7 Active
USD848856S1 Liquid dispenser General 7 Active

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