Patent assignee · DE · COMPANY

Ceramtec AG, Innovative Ceramic Engineering

31Patents
0Active
31Granted
35Portfolio score

Filing activity: Mar 19, 1996 → May 10, 2005

Most-cited patents

PatentTitleAreaCited byStatus
US6319285A Ceramic acetabular cup with metal coating Human Necessities 174 Expired
US5968099A Fixation of a tibial part on a tibial plate of a knee-joint endoprosthesis Human Necessities 120 Expired
US6214051A Fixation of a ceramic structural member by way of gliding in a femoral part Human Necessities 119 Expired
US6585771B1 Device for handling ball heads of joint prostheses Human Necessities 61 Expired
US6208026A External electrode for a monolithic multi-layer actuator Electricity 34 Expired
US6383222B1 Knee hinge prosthesis with wear-resistant device for guiding the patellar components Human Necessities 26 Expired
US6802866B2 Hip joint prosthesis with abutment-protected prosthesis shaft Human Necessities 19 Expired
US6797007B1 Press fit connection between prosthesis components of joint prostheses Human Necessities 15 Expired
US5925855A Plastic composite insulator with spiral shield and process for producing it Electricity 14 Expired
US6051796A Electric insulator made from silicone rubber for high-voltage applications Electricity 13 Expired
US6607560B1 Press fit connection between prosthetic components of joint prostheses Human Necessities 12 Expired
US6731050B2 Piezoceramic multilayer actuators and a process for their manufacture Emerging Cross-Sectional Technologies 12 Expired
US6452957B1 Sintered shaped body reinforced with platelets Chemistry; Metallurgy 12 Expired
US6387132B1 Artificial joint of a prosthesis Human Necessities 11 Expired
US6798123B2 External electrodes on piezoceramic multilayer actuators Electricity 11 Expired
US7042143B2 Piezoceramic multilayer actuator with a transition region between the active region and the inactive head and foot regions Electricity 8 Expired
US7320563B2 Two-cavities cutting matrix Emerging Cross-Sectional Technologies 7 Expired
US7064095B2 Doped alpha-beta sialon ceramics Chemistry; Metallurgy 7 Expired
US7261496B2 Two-part clamping claw Emerging Cross-Sectional Technologies 6 Expired
US6564647B1 Method for testing ceramic socket inserts of hip joint endoprostheses Physics 5 Expired
US6943482B2 Monolithic multilayer actuator in a housing Electricity 5 Expired
US7065846B2 Insulation for piezoceramic multilayer actuators Emerging Cross-Sectional Technologies 5 Expired
US6136241A Method for the forming of ceramic green parts Chemistry; Metallurgy 5 Expired
US7074479B2 Sintered shaped body, whose surface comprises a porous layer and a method for the production thereof Emerging Cross-Sectional Technologies 4 Expired
US5985087A Insulator with cement compound and method for its production Electricity 3 Expired

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