Patents for H01T 19 - Devices providing for corona discharge (2,573)
04/1990
04/04/1990EP0279371B1 Method and arrangement for the surface pretreatment of plastics by an electric corona discharge
04/03/1990US4914480 Corona discharging device for an electrophotographic apparatus
03/1990
03/20/1990US4910637 Modifying the discharge breakdown
03/20/1990US4910400 For charging a receiver
03/13/1990US4908165 Cooling roller having surface receiving melt strip of thermoplastic resin, ionization chamber, corona discharge electrode, means for applying electric potential across electrode, and means for adhering strip to roller
03/08/1990DE3827632A1 Self-supporting sheet-like article having at least one structured surface
03/07/1990CN2054219U Multifunction negative ion generator
03/06/1990US4906841 Corona discharge device
02/1990
02/28/1990EP0355623A2 Method and apparatus for the surface pretreatment of moulded articles by electric corona discharge
02/28/1990EP0355622A2 Method and apparatus for the surface pretreatment of a moulded single or multilayered material by electric corona discharge
02/28/1990EP0355621A2 Sheet consisting of a substrate and a coating, and method for its preparation
02/28/1990EP0355549A2 Self-supporting sheet provided with at least one textured surface
02/28/1990EP0355548A2 Self-supporting sheet comprising a substrate and a coating, and method for producing same
02/22/1990DE3827634A1 Self-supporting sheet-like article comprising a substrate and a coating and method for its production
02/07/1990CN2052579U Umbrella lightning rod
01/1990
01/24/1990EP0351403A1 An air treatment system.
01/10/1990CN1006432B Discontinuous corona discharge pulse lightning rod
01/09/1990US4892713 Ozone generator
01/09/1990US4892271 Corona discharge surface treatment and aircraft cockpit canopies so treated
12/1989
12/20/1989CN2049831U Negative ion generator without ozone
12/14/1989WO1989011909A1 Ozone generator
12/14/1989WO1989011908A1 Ozone generator
11/1989
11/07/1989US4879100 Electrodes, voltage
09/1989
09/26/1989CA1261387A1 High voltage control
09/21/1989WO1989008938A1 An air transporting arrangement
09/05/1989US4864459 Laminar flow hood with static electricity eliminator
09/05/1989US4864363 Cleaning device for a corona discharger
08/1989
08/15/1989US4857959 Method and apparatus of charging for transfer in electrophotograph device
06/1989
06/27/1989US4843422 Electrophotographic apparatus
06/22/1989DE3831964A1 Device for corona-discharge treatment of material webs
06/21/1989EP0072862B1 Corona charging apparatus
06/20/1989US4841409 Coating a dielectric layer of oxygen-free ceramics on electroconductive graphite cores
06/20/1989US4841146 Self-cleaning scorotron with focused ion beam
06/14/1989EP0319935A2 Conditioning apparatus for non-impact, direct charge electrographic printer belt
06/13/1989US4839517 Roll electrode and device for pretreating the surfaces of film webs by means of electrical corona discharge
06/07/1989CN1033315A Arrangement for transporting air
06/06/1989US4837658 Long life corona charging device
06/06/1989US4836901 Three dimensional; distance controlled constant discharge; moveable
05/1989
05/31/1989EP0318284A1 Corona discharge device
05/05/1989WO1989004076A1 Electrode for preliminary corona discharge devices or similar
05/02/1989US4827295 Conditioning apparatus for non-impact, direct charge electrographic printer belt
04/1989
04/25/1989US4824458 Deionization of glass by corona discharge
04/19/1989EP0312385A2 Corona discharge surface treatment, and aircraft cockpit canopies so treated
04/18/1989US4821900 Exposing to direct current corona discharge and impregnating in water repelling substance; sealing for alcoholic beverage bottles
04/13/1989DE3733492A1 Device for treating surfaces by means of an ionised gas stream
03/1989
03/29/1989EP0308811A2 Method of producing a self-supporting antistatic sheet
03/23/1989DE3738279A1 Device for changing the static electrical potential by corona discharge
03/21/1989CA1251419A1 Corona discharge generator, used particularly for ozone production
03/16/1989DE3729614A1 Corona-discharge electrode arrangement
03/08/1989CN2033949U High effect negative ion producer
03/07/1989US4811158 Solid state charger
03/01/1989EP0304832A2 Apparatus for the surface treatment of a bumper
02/1989
02/22/1989EP0250548B1 Corona generating apparatus
02/14/1989US4805069 Powder charging apparatus and electrostatic powder painting apparatus
02/07/1989US4803594 Wave-shaped electrostatic discharge
02/07/1989US4803593 Flat solid discharging device
02/07/1989US4803512 Image forming cartridge for providing uniform corona charging
02/01/1989EP0301179A1 High-voltage electrode
01/1989
01/31/1989US4801967 Voltage sensing in A.C. corotrons
01/25/1989EP0300452A1 Field formation apparatus
01/12/1989WO1989000355A1 An arrangement for transporting air
12/1988
12/29/1988DE3730228A1 Device for changing the static, electrical potential by means of corona discharge
12/27/1988US4794254 Distributed resistance corona charging device
12/22/1988DE3818739A1 Method and device for de-ionising the mouth edge of glass containers
12/21/1988EP0295431A1 Device for modifying the static electric potential by corona discharge of a surface made of an insulating material of a moved element
12/20/1988US4792680 Corona device having a beryllium copper screen
11/1988
11/23/1988EP0291530A1 Multiple voltage-pulsed corona charging with a single power supply.
11/15/1988US4785372 Method and device for charging or discharging member
11/09/1988EP0289502A1 An air transporting arrangement.
11/08/1988US4783716 Charging or discharging device
10/1988
10/19/1988EP0287413A1 Process for the treatment of polymer materials by corona discharge
10/11/1988US4777557 Negative pressure corona treating station with improved sealing means
10/11/1988US4777554 Method and apparatus for detecting charger abnormality
09/1988
09/27/1988US4774061 Open station corona treating system
09/20/1988US4772788 Corona discharge treating system
08/1988
08/24/1988EP0279371A1 Method and arrangement for the surface pretreatment of plastics by an electric corona discharge
08/17/1988EP0277953A1 An air transporting arrangement.
08/16/1988US4764675 Self-tensioning coronode structure
08/09/1988US4762997 Fluid jet assisted ion projection charging method
07/1988
07/27/1988EP0275693A1 Corona discharge treatment apparatus
07/21/1988DE3700232A1 Device for treating surfaces
07/20/1988EP0274895A1 Corona charging device
07/20/1988EP0274894A1 Corona charging device
07/13/1988EP0274043A1 Roller electrode and apparatus for the surface treatment of foils with an electric corona discharge
07/06/1988EP0273165A2 Method of making a corona electrode and electrode made by this method
06/1988
06/30/1988WO1988004851A1 An air treatment system
06/16/1988WO1988004111A3 Multiple voltage-pulsed corona charging with a single power supply
06/15/1988EP0191080B1 Mounting device for adjusting an electrode contour
06/09/1988DE3640966A1 Method of producing a corona electrode
06/02/1988WO1988004111A2 Multiple voltage-pulsed corona charging with a single power supply
05/1988
05/17/1988US4745282 Ventilated corona charging
05/11/1988EP0267070A1 Laminar flow work station with a static electricity eliminator
04/1988
04/26/1988US4739935 Flexible voltage cable for electrostatic spray gun
04/26/1988CA1235731A1 Efficient, self-limiting corona device for positive or negative charging
04/13/1988EP0263758A1 Method and apparatus for treating an organic substrate by corona discharge
03/1988
03/29/1988US4734722 Ion generator structure
03/24/1988DE3631584A1 Apparatus for the surface treatment of film webs by means of electric corona discharge
03/10/1988DE3637433C1 Method and device for enhancing or producing adhesion forces on material webs passing through
03/01/1988US4728880 Multiple voltage-pulsed corona charging with a single power supply
02/1988
02/16/1988US4725732 Pin corotron and scorotron assembly
1 ... 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26