Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Electrical & Energy
Class Information
Number: 315/209M
Name: Electric lamp and discharge devices: systems > Periodic switch in the supply circuit > Miscellaneous ignition systems
Description:


Patents under this class:

Patent Number Title Of Patent Date Issued
7417377 Blended light lamp Aug. 26, 2008
7291983 Ballast and igniter for a lamp having larger storage capacitor than charge pump capacitor Nov. 6, 2007
7230389 Metal halide lamp having function for suppressing abnormal discharge Jun. 12, 2007
6972529 Switch mode power supply for a gas discharge lamp Dec. 6, 2005
6617804 Gas filled switching electric discharge tube Sep. 9, 2003
6498439 Ballast for feeding a high-pressure gas discharge lamp Dec. 24, 2002
6450157 Automotive ignition system with adaptable start-of-dwell ring damping Sep. 17, 2002
6429593 Lighting device Aug. 6, 2002
6323599 Vertical spark gap for microelectric circuits Nov. 27, 2001
6225752 Spark plug for internal combustion engine May. 1, 2001
6215251 Spark gap for high voltage integrated circuit electrostatic discharge protection Apr. 10, 2001
6111366 Ignition transformer for gas discharge bulbs Aug. 29, 2000
6049176 Ignition device for an internal combustion engine Apr. 11, 2000
5992401 Capacitive discharge ignition for an internal combustion engine Nov. 30, 1999
5969480 Ignition system with a field emitter coupled to the spark plug Oct. 19, 1999
5939841 Method and apparatus using a floating electrode to extract energy from an electric field Aug. 17, 1999
5587630 Continuous plasma ignition system Dec. 24, 1996
5559404 Capacitive pulse forming network Sep. 24, 1996
5465030 Trigger apparatus for spark gap dischargers Nov. 7, 1995
5444334 System for starting a high intensity discharge lamp Aug. 22, 1995
5426346 Gas discharge lamp ballast circuit with reduced parts-count starting circuit Jun. 20, 1995
5397964 Reflected energy adaptive inductive load driver and method therefor Mar. 14, 1995
5355056 Sparkplug voltage detecting probe device for use in internal combustion engine Oct. 11, 1994
5352955 High energy ignition generator for gas turbines Oct. 4, 1994
5347422 Apparatus and method for an ignition system Sep. 13, 1994
5148084 Apparatus and method for providing ignition to a turbine engine Sep. 15, 1992
5084800 Ignition transformer secondary winding by-pass apparatus Jan. 28, 1992
4792729 Fluorescent lamp brightness control Dec. 20, 1988
4739225 Reduced requirement energy storage for load having non-zero minimum operating potential Apr. 19, 1988
4547734 Equipment for recognizing misfiring Oct. 15, 1985
4398123 High pressure discharge lamp Aug. 9, 1983
4360765 Control circuit for a glow plug assembly serving as an engine preheating means Nov. 23, 1982
4223249 Pulse generating means Sep. 16, 1980
4217873 Ignition circuit for self-purifying creeping discharge spark plugs Aug. 19, 1980
4153032 Ignition control device with monostable elements for providing a constant energy spark May. 8, 1979
4138983 Engine ignition system with electromagnet control of enclosed distributor gaps Feb. 13, 1979
4103659 Ignition system Aug. 1, 1978
4016849 Apparatus for increasing the ignition voltage of internal combustion engines Apr. 12, 1977
3951144 Motor ignition distribution system with controllable auxiliary gaps Apr. 20, 1976



 
 
  Recently Added Patents
Coin display and business-card holder
Latency improvement for file transfers over network connections
Method and apparatus for color interpolation
System and method for over the air programming
Method for preparing oxidized polyolefin waxes
Wireless communication systems and methods and transmitter units for use therein
Magnetic system for the unlocking of padlocks and locks
  Randomly Featured Patents
Traffic control system utilizing on-board vehicle information measurement apparatus
Earhook
Electrically insulated switching element drive circuit
Diaphragm-type pump
Tiltable trailer having movable undercarriage
Meat trimming knife handle
Communication system with hierarchical server structure
Object based system for software maintenance
Birdcage attachment
Network proxy apparatus and methods