Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Harbey Hubbell, Incorporated Patents
Assignee:
Harbey Hubbell, Incorporated
Address:
Bridgeport, CT
No. of patents:
1
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
Modified and stabilized GDF propeptides and uses thereof
Packaging for socks
Cartridge for separating analyte from mixture, comprising dispensing and receiving chambers and insert
Digital X-ray detector arrangement and digital X-ray imaging method
Family of pain producing substances and methods to produce novel analgesic drugs
Lubricant composition
Digital broadcasting system and method of processing data in digital broadcasting system
  Randomly Featured Patents
Heat resistant paper interleaver for sheet metal
Electrical connector
Hybrid pseudo-random noise and chaotic signal implementation for covert communication
Method and apparatus for remote control of audio visual systems
Elastic boundary wave device
Wall structure with either plastic or concrete horizontal interlocking siding panels
HER-2 binding antagonists
Vented storage container
Kit containing glutaraldehyde coated colloidal metal particles of a preselected size
Trash can assembly with locking lid