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Class Information
Number: 361/227
Name: Electricity: electrical systems and devices > Electric charging of objects or materials > Particulate matter (e.g., liquids with suspended particles) > For spray production
Description: Subject matter wherein the electrical charges are imparted to a spray material.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7402798 |
Apparatus and method for controlling an electrostatically induced liquid spray |
Jul. 22, 2008 |
| 7240861 |
Method and apparatus for dispensing paint powders for powder coatings |
Jul. 10, 2007 |
| 7154730 |
High voltage generator for electrostatic painting equipment |
Dec. 26, 2006 |
| 7126810 |
Cryogenic capacitors |
Oct. 24, 2006 |
| 6574085 |
Power supply apparatus for electrostatic charging and method for same |
Jun. 3, 2003 |
| 6437963 |
Method and apparatus for controlling power supplied to an electrostatic device |
Aug. 20, 2002 |
| 6318640 |
Dispensing device |
Nov. 20, 2001 |
| 6063451 |
Method for controlling amount of electric charge on finely divided sprayed powder |
May. 16, 2000 |
| 6038120 |
AC corona charger with buried floor electrode |
Mar. 14, 2000 |
| 5992771 |
High voltage generator |
Nov. 30, 1999 |
| 5779162 |
Spraying device |
Jul. 14, 1998 |
| 5757606 |
Electrical ground connection for powder painting apparatus |
May. 26, 1998 |
| 5678770 |
Powder coating spray gun with resettable voltage multiplier |
Oct. 21, 1997 |
| 5598099 |
System and method for coincidence detection of ungrounded parts with detectors located within and outside a production coating area |
Jan. 28, 1997 |
| 5503880 |
Method and device for the electrostatic spraying of coating material |
Apr. 2, 1996 |
| 5502346 |
Apparatus to generate corona discharges |
Mar. 26, 1996 |
| 5388769 |
Self-cleaning ionizing air gun |
Feb. 14, 1995 |
| 5378957 |
Methods and apparatus for dispersing a fluent material utilizing an electron beam |
Jan. 3, 1995 |
| 5361034 |
Apparatus for measuring the conductivity of a fluid |
Nov. 1, 1994 |
| 5218305 |
Apparatus for transmitting electrostatic spray gun voltage and current values to remote location |
Jun. 8, 1993 |
| 5118942 |
Electrostatic charging apparatus and method |
Jun. 2, 1992 |
| 5093602 |
Methods and apparatus for dispersing a fluent material utilizing an electron beam |
Mar. 3, 1992 |
| 5077468 |
Electrostatic charging apparatus and method |
Dec. 31, 1991 |
| 5063350 |
Electrostatic spray gun voltage and current monitor |
Nov. 5, 1991 |
| 5012094 |
Electrostatic charging apparatus and method |
Apr. 30, 1991 |
| 4962723 |
Image forming apparatus utilizing plural electric field generating arrangements so as to deposit developer particles supplied from a developer chamber |
Oct. 16, 1990 |
| 4959137 |
Electrocoating system with multistage voltage application to prevent electrode coating |
Sep. 25, 1990 |
| 4916571 |
Spray-coating device |
Apr. 10, 1990 |
| 4911367 |
Electrostatic spray gun |
Mar. 27, 1990 |
| 4890190 |
Method of selecting optimum series limiting resistance for high voltage control circuit |
Dec. 26, 1989 |
| 4805069 |
Powder charging apparatus and electrostatic powder painting apparatus |
Feb. 14, 1989 |
| 4772982 |
Powder charging apparatus and electrostatic powder coating apparatus |
Sep. 20, 1988 |
| 4706890 |
Method and apparatus for electrostatic coating of articles with powdered coating material |
Nov. 17, 1987 |
| 4643744 |
Apparatus for ionizing air |
Feb. 17, 1987 |
| 4612598 |
Electrostatic spraying apparatus |
Sep. 16, 1986 |
| 4576827 |
Electrostatic spray coating system |
Mar. 18, 1986 |
| 4548363 |
Muzzle for electrostatic spray gun |
Oct. 22, 1985 |
| 4549243 |
Spraying apparatus |
Oct. 22, 1985 |
| 4546400 |
Method and apparatus of protecting a coating plant against explosion |
Oct. 8, 1985 |
| 4462061 |
Air turbine drive for electrostatic spray gun |
Jul. 24, 1984 |
| 4423950 |
Cleaning device for an electrophotographic reproducing machine |
Jan. 3, 1984 |
| 4414603 |
Particle charging apparatus |
Nov. 8, 1983 |
| 4385340 |
Method and apparatus for generating static electricity |
May. 24, 1983 |
| 4343828 |
Electrodynamic painting system and method |
Aug. 10, 1982 |
| 4328940 |
Method of electrostatically enhancing deposition of air borne spray materials |
May. 11, 1982 |
| 4289278 |
Powder electro-charging device and electrostatic powder painting device |
Sep. 15, 1981 |
| 4258409 |
Electrogasdynamic coating apparatus |
Mar. 24, 1981 |
| 4248386 |
Electrostatic deposition apparatus |
Feb. 3, 1981 |
| 4225090 |
Device for painting by electrostatic powder spraying |
Sep. 30, 1980 |
| 4210949 |
Device for electrically charging particles |
Jul. 1, 1980 |
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