Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Ball valve having valve housing with interior annular ridge for holding annular retaining element in position

Ball valve having valve housing with interior annular ridge for holding annular retaining element in position

US Patent 4709902 · Granted Dec 1, 1987

Assignee

No assignee recorded.

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Wind turbine comprising a lightning protection system2025
Lightning current transfer unit for a wind turbine2019
Lightning current transfer system and wind turbine using the lightning current t2018
Wind turbine blade and a lightning measurement system therein2017
Lightning current transfer unit for a wind turbine2017
Cock or valve comprising a gear wheel transmission1986