Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Knob assembly for doorlatches including free knob rotation and front end loading

Knob assembly for doorlatches including free knob rotation and front end loading

US Patent 4631944 · Granted Dec 30, 1986

Estimated economic value: $5,230,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Dampened assisted-motion systems and methods2012
Self closing mechanism for drawer slides2011
Dual injector for chemiluminescence immunoanalyzing system2000
Clock spring connector with reduced-noise operation1995
Front loaded cylinder for door lockset1994
Single and double latch operating devices with improved rack-pinion operation an1988
Doorlatch knob assembly having front end loading1987
Doorlatch knob assembly having front end loading1987
Pin-type lock with axial split cylinder and/or plug1984
Latch bolt having crank camming for positive bolt positioning1983
Bayonet joint backset adjustment for latch constructions1983