Inventor · Longmont, CO, US

David Keppel

15Patents

13h-index

16Co-inventors

71Inventor score

Filing activity: Apr 23, 1999 → Jan 31, 2012

Most-cited inventions

Patent	Title	Area	Cited by	Status
US7137980B2	Method and system for controlling output of RF medical generator	Human Necessities	2,222	Expired
US8105323B2	Method and system for controlling output of RF medical generator	Human Necessities	473	Active
US7044948B2	Circuit for controlling arc energy from an electrosurgical generator	Human Necessities	298	Expired
US7033354B2	Electrosurgical electrode having a non-conductive porous ceramic coating	Human Necessities	256	Expired
US7223265B2	Electrosurgical electrode having a non-conductive porous ceramic coating	Human Necessities	252	Expired
US9113900B2	Method and system for controlling output of RF medical generator	Human Necessities	248	Active
US9168089B2	Method and system for controlling output of RF medical generator	Human Necessities	246	Active
US6203541A	Automatic activation of electrosurgical generator bipolar output	Human Necessities	242	Expired
US7458972B2	Electrosurgical electrode having a non-conductive porous ceramic coating	Human Necessities	183	Active
US6402741B1	Current and status monitor	Emerging Cross-Sectional Technologies	151	Expired
US7255694B2	Variable output crest factor electrosurgical generator	Human Necessities	99	Expired
US8636730B2	Polarity control of electrosurgical generator	Human Necessities	29	Active
US7824400B2	Circuit for controlling arc energy from an electrosurgical generator	Human Necessities	18	Active
US8523855B2	Circuit for controlling arc energy from an electrosurgical generator	Human Necessities	7	Active
US8753334B2	System and method for reducing leakage current in an electrosurgical generator	Human Necessities	2	Active

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