Inventor · Trabuco Canyon, CA, US

Henry Kahle

64Patents
21h-index
26Co-inventors
88Inventor score

Filing activity: Apr 21, 1981 → Nov 4, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US7083626B2 Surgical access device with pendent valve Human Necessities 1,338 Expired
US7163510B2 Surgical instrument access device Human Necessities 219 Expired
US5803919A Trocar valve assembly Emerging Cross-Sectional Technologies 205 Expired
US7650887B2 Wound retractor Human Necessities 194 Expired
US7112185B2 Anti-inversion trocar seal Human Necessities 143 Expired
US7686823B2 Bladeless obturator Human Necessities 85 Expired
US8721658B2 Tissue retrieval system Human Necessities 81 Active
US8187177B2 Surgical instrument access device Human Necessities 78 Active
US8075530B2 Instrument seal with inverting shroud Human Necessities 74 Active
US7913697B2 Wound retractor Human Necessities 69 Active
US7727255B2 Access sealing apparatus and method Human Necessities 65 Active
US7947058B2 Bladeless optical obturator Human Necessities 52 Active
US8956370B2 Laparoscopic tissue retrieval system Human Necessities 51 Active
US8430851B2 Surgical access port Human Necessities 49 Active
US4356918A Disc storage container Physics 48 Expired
US7794644B2 Thin-walled optical obturator Performing Operations; Transporting 43 Active
US8267952B2 Bladeless optical obturator Human Necessities 38 Active
US9033995B2 Single incision laparoscopic tissue retrieval system Human Necessities 35 Active
US9579115B2 Tissue retrieval system Human Necessities 30 Active
US8608769B2 Bladeless optical obturator Human Necessities 27 Active
US7771395B2 Surgical access device with pendent valve Human Necessities 25 Active
US7988671B2 Pleated trocar shield Human Necessities 20 Active
US8613727B2 Surgical access device with pendent valve Human Necessities 20 Active
US7850811B2 Steerable kink-resistant sheath Performing Operations; Transporting 19 Active
US8968250B2 Surgical access port Human Necessities 16 Active

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