Inventor · Madisonville, TN, US

David Kelma

12Patents
5h-index
8Co-inventors
55Inventor score

Filing activity: Oct 16, 2008 → Feb 20, 2019

Most-cited inventions

PatentTitleAreaCited byStatus
US8213457B2 Upstream bandwidth conditioning device Electricity 20 Active
US8001579B2 Downstream output level and/or output level tilt compensation device between CATV distribution system and CATV user Electricity 19 Active
US8181211B2 Total bandwidth conditioning device Electricity 17 Active
US8082570B2 Method and apparatus for a self-terminating signal path Electricity 6 Active
US8464301B2 Upstream bandwidth conditioning device between CATV distribution system and CATV user Electricity 6 Active
US8516537B2 Downstream bandwidth conditioning device Electricity 3 Active
US8385219B2 Upstream bandwidth level measurement device Emerging Cross-Sectional Technologies 2 Active
US8832767B2 Dynamically configurable frequency band selection device between CATV distribution system and CATV user Electricity 2 Active
US10264325B2 System, method and device having teaching and commerce subsystems Electricity 1 Active
US8274566B2 Modulation analyzer and level measurement device Electricity 0 Active
US9271026B2 Dynamically configurable frequency band selection device between CATV distribution system and CATV user Electricity 0 Active
US10924811B2 Compensation device for maintaining a desired signal quality in transmitted signals Electricity 0 Active

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