Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Process for producing double helical glass tube, light-emitting tube for fluorescent lamp, and fluorescent lamp

Process for producing double helical glass tube, light-emitting tube for fluorescent lamp, and fluorescent lamp

US Patent 7901264 · Granted Mar 8, 2011

Estimated economic value: $94,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Photovoltaic device of human-powered vehicle2025
Autonomous travel robotic working machine2025
Lift carrier2024
Vehicle transporting device2024
Electric power work device2024
Traveling collector2024
Lift carrier2023
Electric power work device2023
Cutting blade piece protective structure, blade guard and lawn mower2023
Vehicle conveyor2023
Resin composition, production method for resin composition, and molded body usin2023
Audio processing device and audio processing method2022