Inventor · Advance, NC, US

Charles Branch

40Patents
25h-index
39Co-inventors
85Inventor score

Filing activity: Oct 28, 1998 → Aug 31, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US6193757A Expandable intervertebral spacers Emerging Cross-Sectional Technologies 946 Expired
US6174311A Interbody fusion grafts and instrumentation Emerging Cross-Sectional Technologies 746 Expired
US6200322A Minimal exposure posterior spinal interbody instrumentation and technique Human Necessities 694 Expired
US7479160B2 Interbody fusion grafts and instrumentation Emerging Cross-Sectional Technologies 617 Expired
US7217293B2 Expandable spinal implant Human Necessities 529 Expired
US7578820B2 Devices and techniques for a minimally invasive disc space preparation and implant insertion Human Necessities 462 Active
US6395031B1 Expandable intervertebral spacers Emerging Cross-Sectional Technologies 427 Expired
US6945933B2 Instruments and methods for minimally invasive tissue retraction and surgery Human Necessities 395 Expired
US6610065B1 Interbody fusion implants and instrumentation Emerging Cross-Sectional Technologies 252 Expired
US6833006B2 Expandable intervertebral spacers Emerging Cross-Sectional Technologies 221 Expired
US8221502B2 Expandable spinal implant Human Necessities 201 Active
US7993403B2 Expandable intervertebral spacers Emerging Cross-Sectional Technologies 197 Active
US7655042B2 Expandable intervertebral spacers Emerging Cross-Sectional Technologies 172 Expired
US7537616B1 Impacted orthopedic bone support implant Human Necessities 153 Expired
US7556601B2 Systems and techniques for illuminating a surgical space Human Necessities 113 Expired
US7794477B2 Spinal implants and methods with extended multi-axial anchor assemblies Human Necessities 92 Active
US7637953B2 Interbody fusion grafts and instrumentation Emerging Cross-Sectional Technologies 90 Expired
US7223233B2 Systems and techniques for illuminating a surgical space Human Necessities 64 Expired
US7513869B2 Instruments and methods for minimally invasive tissue retraction and surgery Human Necessities 59 Expired
US10238503B2 Expandable spinal implant system with a biased tip and method of using same Performing Operations; Transporting 58 Active
US7625374B2 Interbody fusion grafts and instrumentation Emerging Cross-Sectional Technologies 50 Expired
US7981029B2 Instruments and methods for minimally invasive tissue retraction and surgery Human Necessities 49 Active
US7524285B2 Instruments and methods for minimally invasive tissue retraction and surgery Human Necessities 34 Active
US8012188B2 Spinal implants and methods with extended multi-axial anchor assemblies Human Necessities 26 Active
US11065130B2 Expandable spinal implant system and method of using same Performing Operations; Transporting 25 Active

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