The U.S. aircraft register, updated daily
Who holds what · as the FAA records the name

Curtis Superior Valve Company INC.

Named as the FAA publishes it on its approvals.

Approved to make 3 classes of equipment. FAA spelling: Curtis Superior Valve Company Inc..

Equipment approvals technical standard order authorisations

2021-02-03TSO-C76b · Fuel Drain Valves · Fuel Drain Valve, Fuel Drain Valve, Fuel Drain Valve · engine
2021-01-14TSO-C76b · Fuel Drain Valves · Fuel Drain Valve · engine
2020-10-19TSO-C76b · Fuel Drain Valves · Fuel Drain Valve · engine

Source: FAA Dynamic Regulatory System (type certificate data sheets, supplemental type certificates, parts manufacturer approvals, technical standard order authorisations). An organisation's name is as the FAA spelled it on each record; related spellings are separate pages.