Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Water protecting cap for ventilation opening of distributor

Water protecting cap for ventilation opening of distributor

US Patent 4348993 · Granted Sep 14, 1982

Estimated economic value: $128,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Compound, light emitting material, and organic light emitting device2019
Gasket2019
Pixel structure for OLED display panel2018
Pixel matrix circuit2018
Diamine compounds for phosphorescent diazaborole metal complexes and electrolumi2018
Phenylenediamine compounds for phosphorescent diazaborole metal complexes2017
Electroluminescent devices based on phosphorescent iridium and related group VII2016
Polymer-based organic electroluminescent device2016
Gear device2016
Organic electroluminescent device2015
Aqueous polyurethane resin, hydrophilic resin, and film2013
Organic light emitting device2013