Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11569641 | Ionizer bar | Jeremy Paul Willden, Helaman David Pratt Ferguson, Martin Robert Johnson, Samuel Tremain Earl, Jonathan S. Jensen +1 more | 2023-01-31 |
| 8605407 | Low maintenance AC gas flow driven static neutralizer and method | Peter Gefter, Leslie W. Partridge, Scott Gehlke | 2013-12-10 |
| 8009405 | Low maintenance AC gas flow driven static neutralizer and method | Peter Gefter, Leslie W. Partridge, Scott Gehlke | 2011-08-30 |
| 7813102 | Prevention of emitter contamination with electronic waveforms | Peter Gefter, Scott Gehlke | 2010-10-12 |
| 7697258 | Air assist for AC ionizers | Grigoriy Vernitskiy, Peter Gefter | 2010-04-13 |
| 7339778 | Corona discharge static neutralizing apparatus | Peter Gefter, Scott Gehlke, Dennis A. Leri | 2008-03-04 |
| 6781205 | Electrostatic charge measurement on semiconductor wafers | Alexander Ignatenko | 2004-08-24 |
| 6719142 | Apparatus and method for measuring static charge on wafers, disks, substrates, masks, and flat panel displays | John Edgar Menear | 2004-04-13 |