Inventor · Clarksville, MD, US

Derek Campbell

35Patents
13h-index
24Co-inventors
81Inventor score

Filing activity: Dec 11, 1995 → May 27, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US7650707B2 Flexible and/or laterally stable foot-support structures and products containing such support structures Human Necessities 96 Active
USD537616S1 Portion of a shoe upper General 84 Expired
US6705027B1 Traction elements for an article of footwear Human Necessities 69 Expired
US6817117B1 Golf shoe outsole with oriented traction elements Human Necessities 67 Expired
US7707748B2 Flexible foot-support structures and products containing such support structures Human Necessities 59 Active
USD394943S Portion of a bottom surface of a shoe outsole General 54 Expired
USD375873S Food storage container General 44 Expired
USD377733S Food storage container top General 36 Expired
USD379133S Food storage container lid General 28 Expired
US7220119B1 Pre-stressed tie rod and method of manufacture Emerging Cross-Sectional Technologies 27 Expired
US7905349B2 Golf bags having an external putter holder and/or an externally accessible golf ball storage system Emerging Cross-Sectional Technologies 26 Active
US6564936B1 Golf bag with club separator Human Necessities 20 Expired
USD394942S Portion of a bottom surface of a shoe outsole General 15 Expired
US8616369B2 Golf bag base Emerging Cross-Sectional Technologies 12 Active
US8186549B2 Double strap carrying system and base stand for golf bags and other shoulder-borne articles Human Necessities 12 Active
USD871836S1 Bite-actuated mouthpiece General 11 Active
US8833622B2 Double strap carrying system and base stand for golf bags and other shoulder-borne articles Human Necessities 7 Active
USD901238S1 Bite-actuated mouthpiece General 7 Active
US9592933B1 Gift container with insert for ejecting particulate material Performing Operations; Transporting 7 Active
US9044651B2 Double strap carrying system and base stand for golf bags and other shoulder-borne articles Human Necessities 6 Active
US8209885B2 Shoe assembly with non-linear viscous liquid Performing Operations; Transporting 6 Active
USD938226S1 Mouthpiece General 4 Active
US8661709B2 Shoe assembly with non-linear viscous liquid Performing Operations; Transporting 3 Active
US9014881B2 System and method for dynamically determining runway stopping distance Physics 3 Active
USD955813S1 Mouthpiece General 2 Active

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