Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Active sound absorber

Active sound absorber

US Patent 5267321 · Granted Nov 30, 1993

Assignee

No assignee recorded.

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Radiofrequency ablation catheter1994
Electrical heating catheter1993
Liquid metal-filled balloon1993
Method of radiofrequency ablation1993
Electrical heating catheter1993
Ultrasonic imager1993
Active noise reduction system1991
Catheter with radiofrequency heating applicator1990
Piezopolymer actuators1989
Low inertia X-Y cable drive1986
Digitizer and position encoders and calibration system for same1986
Detecting the presence or absence of a coating on a substrate1984