Patent assignee · CH · COMPANY

Sulzer Brothers Limited

793Patents
0Active
793Granted
45Portfolio score

Filing activity: Oct 11, 1973 → Dec 10, 1996

Most-cited patents

PatentTitleAreaCited byStatus
US4932969A Joint endoprosthesis Human Necessities 634 Expired
US5171280A Intervertebral prosthesis Human Necessities 632 Expired
US4955908A Metallic intervertebral prosthesis Emerging Cross-Sectional Technologies 632 Expired
US4917704A Intervertebral prosthesis Emerging Cross-Sectional Technologies 526 Expired
US5320644A Intervertebral disk prosthesis Emerging Cross-Sectional Technologies 436 Expired
US5197987A Knee joint prosthesis Human Necessities 367 Expired
US4776328A Bone nail and an instrument for implanting a bone nail Human Necessities 317 Expired
US5147402A Implant for ingrowth of osseous tissue Emerging Cross-Sectional Technologies 272 Expired
US5116373A Pull-through appliance Textiles; Paper 208 Expired
US5210680A Card cage having an air cooling system Electricity 191 Expired
US5084048A Implant for vertebrae with spinal stabilizer Human Necessities 187 Expired
US4804382A Artificial vessel Human Necessities 181 Expired
US4863471A Crucial ligament replacement for a knee joint Human Necessities 158 Expired
US5171274A Implant for replacing a ligament or tendon Textiles; Paper 157 Expired
US5000166A Implant kit for stabilizing regions of a spine Human Necessities 150 Expired
US5108446A Hip joint prosthesis Human Necessities 142 Expired
US4728329A Prosthetic band Textiles; Paper 132 Expired
US4296050A Packing element for an exchange column Emerging Cross-Sectional Technologies 128 Expired
US4777942A Bone milling instrument Emerging Cross-Sectional Technologies 127 Expired
US5261409A Puncturing device for blood vessels Human Necessities 127 Expired
US4249270A Endoprosthesis for a knee joint Human Necessities 124 Expired
US4718916A Femur head prosthesis Human Necessities 121 Expired
US5019082A Rasp-like reaming instrument Human Necessities 121 Expired
US4793335A Bone implant for fixing artificial tendons or ligaments with application and extraction means Emerging Cross-Sectional Technologies 118 Expired
US4963153A Metal tibial anchoring part for a partial knee joint prosthesis Human Necessities 109 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.