Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Tork, Inc. Patents
Assignee:
Tork, Inc.
Address:
Mt. Vernon, NY
No. of patents:
3
Patents:












Patent Number Title Of Patent Date Issued
4687985 Two terminal control switch having a main switch and a saturable current transformer whose prima August 18, 1987
A two terminal control switch having a main switch and a saturable current transformer whose primary winding is series connected with the main switch. A center tapped full wave rectifier has a capacitor connected between its DC sides, such capacitor also being connected to a junction
4349863 Emergency lighting system September 14, 1982
A lighting system for supplying AC power normally, and DC power on an emergency basis selectively, to electron discharge devices, particularly fluorescent lamps; thus, the AC or DC power is furnished over common lines to a high frequency inverter associated with each lamp or lamp fixture
4071749 Self-contained maintenance-free emergency lighting January 31, 1978
A self-contained maintenance-free emergency lighting system involving a housing including a tough plastic cover so as to protect the system from vandalism; in order to test the system to determine whether it is operating properly, i.e., such that the emergency battery supply will fur

 
 
  Recently Added Patents
Method and system for reduction of quantization-induced block-discontinuities and general purpose audio codec
Sensor chip, sensor cartridge, and analysis apparatus
Pulsed plasma with low wafer temperature for ultra thin layer etches
Sensor interface engineering
Requirements model comparative analysis method for effort estimation in customizing a network monitoring and control system
Methods and apparatus to determine impressions using distributed demographic information
Ascertaining presentation format based on device primary control determination
  Randomly Featured Patents
Process for accelerating reaction of ozone with AM catalyst
Bed rocking mechanism
Method of and circuit for adapting parameters for a predistortion circuit in an integrated circuit
Sacral support member for seating
Free radical-cured coating compositions
Image forming apparatus and method for controlling fuser thereof
Diffusion isolation layer for maskless cladding process
Anti-psychotic phenylindene derivatives and acid addition salts thereof
Apparatus for manufacturing a broadband cholesteric polarizer
Acid functional and epoxy functional polyester resins