Inventor · Framingham, MA, US

Robert B. Davis

15Patents
10h-index
22Co-inventors
72Inventor score

Filing activity: Jan 6, 1975 → Sep 18, 1996

Most-cited inventions

PatentTitleAreaCited byStatus
US4297749A Heart valve prosthesis Emerging Cross-Sectional Technologies 934 Expired
US4340091A Elastomeric sheet materials for heart valve and other prosthetic implants Textiles; Paper 441 Expired
US4192020A Heart valve prosthesis Emerging Cross-Sectional Technologies 68 Expired
US4191218A Fabrics for heart valve and vascular prostheses and methods of fabricating same Textiles; Paper 64 Expired
US5888915A Paper machine clothings constructed of interconnected bicomponent fibers Emerging Cross-Sectional Technologies 51 Expired
US4963428A Biaxially oriented ordered polymer films Emerging Cross-Sectional Technologies 47 Expired
US4939235A Biaxially oriented ordered polybenzothiazole film Chemistry; Metallurgy 39 Expired
US4973442A Forming biaxially oriented ordered polymer films Emerging Cross-Sectional Technologies 22 Expired
US4220489A Method of fabricating a hollow filament separator module Emerging Cross-Sectional Technologies 10 Expired
US5840637A Yarns of covered high modulus material and fabrics formed therefrom Emerging Cross-Sectional Technologies 10 Expired
US6132668A Biaxially oriented ordered polymer films Performing Operations; Transporting 10 Expired
US4874660A Paper machine felts Emerging Cross-Sectional Technologies 8 Expired
US5316833A Paper machine clothing Emerging Cross-Sectional Technologies 6 Expired
US5164251A Paper machine felts Emerging Cross-Sectional Technologies 5 Expired
US3953612A Process for preparing a fibrous protein product and the product thereof Emerging Cross-Sectional Technologies 5 Expired

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