Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Safety lock for elevators

Safety lock for elevators

US Patent 7434614 · Granted Oct 14, 2008

Estimated economic value: $26,114,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Heating block for heating water2017
Heating block2017
Dehydrogenation of cyclic thioethers2017
Process and apparatus for the application of solid layers2016
Catalytic surface for hydrogen release reactor2013
Method for producing crystalline nitride phosphors2013
Luminescent substances2013
Silicon-boron-carbon-nitrogen ceramics and precursor compounds, methods for the 2013
Light source with luminophore layer2012
Silicon-boron-carbon-nitrogen ceramics and precursor compounds, method for the p2012
Microchannel reactor module for hydrogen release2012
Silicon-boron-carbon-nitrogen ceramics and precursor compounds, methods for the 2010