Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6506455 | Triboelectric fluidizded bed method and apparatus for coating an object | Ariel Bru, Arnaud Tedoldi | 2003-01-14 |
| 6041822 | Reduction of electrostatic charging of particles in pneumatic conveying systems | Benoit Port, Cedric Briens | 2000-03-28 |
| 5682591 | Powder metallurgy apparatus and process using electrostatic die wall lubrication | James D. Brown, G. S. Peter Castle, Peter Farkas Binderup Hansen | 1997-10-28 |
| 5478533 | Method and apparatus for ozone generation and treatment of water | — | 1995-12-26 |
| 5405434 | Electrostatic particle filtration | — | 1995-04-11 |
| 5400975 | Actuators for electrostatically charged aerosol spray systems | David A. Tomkins, Mark E. Wefler | 1995-03-28 |
| 5376168 | Electrostatic particle filtration | — | 1994-12-27 |
| 5289922 | Electrostatic separation of mixed plastic waste | G. S. Peter Castle, James D. Brown | 1994-03-01 |
| 5156880 | Space charge electrostatic coating method and apparatus | — | 1992-10-20 |
| 5143524 | Electrostatic particle filtration | John R. Lackner, James C. Murphy | 1992-09-01 |
| 4973909 | System for the measurement of the concentration particulates in a flowing gas | G. S. Peter Castle, Stig Lundquist, William J. Middleton | 1990-11-27 |
| 4960524 | Method for soil consolidation | Kwan Yu Lo | 1990-10-02 |
| 4808849 | Phyllosilicate electrets and a method for their manufacture | Robert Quigley | 1989-02-28 |
| 4700262 | Continuous electrostatic conveyor for small particles | — | 1987-10-13 |
| 4673132 | Spraying apparatus | George S. P. Castle | 1987-06-16 |
| 4666089 | Multi-liquid electrostatic spraying apparatus | — | 1987-05-19 |
| 4629119 | Electrostatic isolation apparatus and method | Robert Plunkett | 1986-12-16 |
| 4565318 | Multi-liquid electrostatic method | — | 1986-01-21 |
| 4560107 | Aerial spraying apparatus | — | 1985-12-24 |
| 4544570 | Electrostatic high voltage isolation system with internal charge generation | Robert Plunkett | 1985-10-01 |
| 4517078 | Method and apparatus for separating particulate materials | Anna K. E. Norberg, Nicholas M. Hepher | 1985-05-14 |
| 4514289 | Method and apparatus for separating particulate materials | — | 1985-04-30 |
| 4509694 | Cross-current airfoil electrostatic nozzle | Kenneth J. Hodgson | 1985-04-09 |
| 4396157 | Nozzle for spraying apparatus | Terry E. Base | 1983-08-02 |
| 4357234 | Alternating potential electrostatic separator of particles with different physical properties | Yuji Murata | 1982-11-02 |