Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Small-sized gas pressure welding machine for rails with two separate mechanisms for punching-shearing excess metal

Small-sized gas pressure welding machine for rails with two separate mechanisms for punching-shearing excess metal

US Patent 4762263 · Granted Aug 9, 1988

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Switch device2025
Thermionic power generation element and thermionic power generation module2024
Power generation element2024
Power generation element2023
Power generation element and power generation system2023
Power generation element, power generation module, power generation device, and 2023
Electron emitting element and power generation element2023
Electron-emitting element2023
Wire saw device, and processing method and processing device for workpiece2022
Power generation element2022
Electron-emitting electrode including multiple diamond members and magnetron inc2022
Semiconductor device, inverter circuit, driving device, vehicle, and elevator ha2022