U.S. federal trademark · Serial No. 79455494
Leak testers or leak test apparatus; leak testers or leak test apparatus that utilize air pressure; leak testers or leak test apparatus that utilize hydrogen gas; leak testers or leak test apparatus that utilize helium gas; leak testers or leak test apparatus that utilize information on flow rate of compressed air; pressure gauges; pressure sensors; differential pressure sensors; pressure measuring apparatus; automatic pressure control apparatus; flow gauges; flow sensors; flow measuring apparatus; indicators that indicate pressure, flow and leakage; calibrators connected to air leak testers for generating dummy leakage of reference leakage and reference leakage flow rate; nozzle diameter measuring instruments that utilize compressed air; pressure-resistance test machines that utilize liquid pressure; measuring machines and instruments; pressure regulators, pressure controllers and flow regulators that are provided as parts or accessories of leak testers or leak test apparatus.
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.