Inventor · Wayland, MA, US

John W. Lehmann

28Patents
21h-index
28Co-inventors
81Inventor score

Filing activity: Nov 30, 1998 → Aug 31, 2016

Most-cited inventions

PatentTitleAreaCited byStatus
US6283959A Endovascular cryotreatment catheter Human Necessities 303 Expired
US8206345B2 Fluid control system for a medical device Physics 262 Active
US8225643B2 Fluid control system for a medical device Physics 255 Active
US6669689B2 Cryosurgical catheter Emerging Cross-Sectional Technologies 149 Expired
US7300433B2 Endovascular cryotreatment catheter Human Necessities 147 Expired
US6575966B2 Endovascular cryotreatment catheter Human Necessities 146 Expired
US6235019A Cryosurgical catheter Emerging Cross-Sectional Technologies 116 Expired
US6569158B1 Leak detection system Human Necessities 81 Expired
US6540740B2 Cryosurgical catheter Emerging Cross-Sectional Technologies 63 Expired
US6546932B1 Cryogenic method and apparatus for promoting angiogenesis Human Necessities 57 Expired
US7648497B2 Endovascular cryotreatment catheter Human Necessities 51 Active
US7914526B2 Cryosurgical catheter Emerging Cross-Sectional Technologies 38 Active
US6761714B2 Leak detection system Human Necessities 37 Expired
US6733494B2 Leak detection system Human Necessities 36 Expired
US6913604B2 Cryosurgical catheter Human Necessities 34 Expired
US6899709B2 Coolant injection Emerging Cross-Sectional Technologies 32 Expired
US7727191B2 Compliant balloon catheter Human Necessities 30 Active
US6629972B2 Cryosurgical catheter Emerging Cross-Sectional Technologies 24 Expired
US9027389B2 Fluid control system for a medical device Physics 23 Active
US6942659B2 Cryosurgical catheter Emerging Cross-Sectional Technologies 23 Expired
US8425456B2 Compliant balloon catheter Human Necessities 22 Active
US7404816B2 Leak detection system Human Necessities 16 Expired
US6772766B2 Cryogenic method and apparatus for promoting angiogenesis Human Necessities 14 Expired
US7753905B2 Cryosurgical catheter Emerging Cross-Sectional Technologies 4 Active
US10022175B2 Fluid control system for a medical device Physics 3 Active

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