Resources Contact Us Home
Harbey Hubbell, Incorporated Patents
Harbey Hubbell, Incorporated
Bridgeport, CT
No. of patents:

Patent Number Title Of Patent Date Issued
4091431 Ground leakage relay circuit May 23, 1978
A ground leakage relay circuit including a core balance transformer through which pass the supply and return line of the circuit to be protected and having a multi-turn secondary winding. A capacitor is connected to be normally charged from a d.c. source. A normally conducting transistor

  Recently Added Patents
Surfcraft fin
Advertising system and method
Process for the production of electric energy by the excitation and capture of electrons from ground or water sources
Power generating apparatus of renewable energy type and method of attaching and detaching blade
Method for exchanging data concerning an electronic transaction
Imidazo[1,2-B]pyridazine and pyrazolo[1 .5-A]pyrimidine derivatives and their use as protein kinase inhibitors
Strongly bound carbon nanotube arrays directly grown on substrates and methods for production thereof
  Randomly Featured Patents
Method for branching data in mobile communication terminal
Activated silicon-containing aluminum complex flame retardant and method for flameproofing
Controllable and quenchable rectifier circuit for high direct current values
Dosing pump
Localized pulsed superconductive MRI system
Cloned genomes of infectious hepatitis C viruses and uses thereof
Gaming system, gaming device, and method for providing a selection game with offer and acceptance features
Color filter
Vinblastine derivatives, their preparation, use and pharmaceutical compositions comprising the said derivatives
Pallet for holding a cassette