Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Preheating device for welding of oil, gas and geothermal wellheads of varying diameters and thicknesses

Preheating device for welding of oil, gas and geothermal wellheads of varying diameters and thicknesses

US Patent 12337426 · Granted Jun 24, 2025

Assignee

No assignee recorded.

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Pendent fire protection sprinkler arrangement configured to be installed in a ce2025
Long-throw fire protection sprinkler2025
Impeller for disc pump2023
Oil drainback arrangement for gas turbine engine2022
Long-throw fire protection sprinkler2022
Pressure maintenance device with automatic switchover for use in a fire protecti2021
Systems and methods for determining a fill status of an inkjet cartridge2020
Modifying configuration information of an inkjet cartridge2020
Systems and methods for resetting an inkjet cartridge2020
Systems and methods for determining a fill status of an inkjet cartridge2020
Horizontal sidewall fire protection sprinkler2018
Flexible modular habitat2017