Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8605407 | Low maintenance AC gas flow driven static neutralizer and method | Peter Gefter, Lawrence Levit, Leslie W. Partridge | 2013-12-10 |
| 8063336 | Multi-frequency static neutralization | Peter Gefter | 2011-11-22 |
| 8009405 | Low maintenance AC gas flow driven static neutralizer and method | Peter Gefter, Lawrence Levit, Leslie W. Partridge | 2011-08-30 |
| 7889477 | High voltage power supply for static neutralizers | Stuart Neubarth, Michael Lehr, Peter Gefter | 2011-02-15 |
| 7813102 | Prevention of emitter contamination with electronic waveforms | Peter Gefter, Lawrence Levit | 2010-10-12 |
| 7679026 | Multi-frequency static neutralization of moving charged objects | Peter Gefter | 2010-03-16 |
| 7483255 | Ionizing electrode structure and apparatus | Peter Gefter, John K. O'Reilly | 2009-01-27 |
| 7479615 | Wide range static neutralizer and method | Peter Gefter, Alexandre Ignatenko | 2009-01-20 |
| 7408759 | Self-cleaning ionization system | Peter Gefter, Gregory Vernitsky | 2008-08-05 |
| 7385798 | Multiple sensor feedback for controlling multiple ionizers | Brian Warren, Edward Anthony Oldynski | 2008-06-10 |
| 7339778 | Corona discharge static neutralizing apparatus | Peter Gefter, Lawrence Levit, Dennis A. Leri | 2008-03-04 |
| 7212393 | Air ionization module and method | Peter Gefter, Alexander Ignatenco | 2007-05-01 |
| 7057130 | Ion generation method and apparatus | Peter Gefter | 2006-06-06 |
| 6807044 | Corona discharge apparatus and method of manufacture | Gregory Vernitsky, Peter Gefter, Dennis A. Leri | 2004-10-19 |
| 6330146 | Piezoelectric/electrostrictive device and method of manufacturing same | Mark Blitshteyn, Lisle R. Knight, Jr., Petr Gefter, Ira J. Pitel, Sean Quigley +2 more | 2001-12-11 |
| 5650203 | Silicon ion emitter electrodes | — | 1997-07-22 |
| 5447763 | Silicon ion emitter electrodes | — | 1995-09-05 |
| 4542434 | Method and apparatus for sequenced bipolar air ionization | Michael G. Yost, Arnold J. Steinman | 1985-09-17 |