Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Coupling for spiral counterbalance

Coupling for spiral counterbalance

US Patent 5694664 · Granted Dec 9, 1997

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Work tracking and advances in an employee database system2024
Work tracking and advances in an employee database system2023
Work tracking and advances in an employee database system2022
Logistics planning in a business environment2012
Support system for laterally removable sash2005
Corner locking carrier shoe for tilt sash2000
Lift-off guard guide for tilt shoe1997
Jamb liner slot cover1992
Window sash balance with tension and torsion spring1992
Balance system for laterally biased sash guides1992
Balance system for laterally biased sash guides1992
Audibly locking shoe system for take-out window1989