Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Mechanical face seals

Mechanical face seals

US Patent 4573691 · Granted Mar 4, 1986

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Chair2025
Blown table lamp2021
Light bulb2021
Chair with armrests2015
Lightbulb2012
Biologically active amides1990
Pharmaceutical amides, and preparation, formulations and use thereof1985
Pharmaceutical compounds, preparation, use and intermediates therefor and their 1984
Rotary mechanical seals1984
Pharmaceutical amides, and preparation, formulations and use of thereof1983
Biologically active amides1982
Biologically active amides1982