Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12129569 | Method for conditioning semiconductor processing chamber components | Lin Xu, David Joseph WETZEL, John Daugherty, Hong Shih, Satish SRINIVASAN +3 more | 2024-10-29 |
| 11967517 | Electrostatic chuck with ceramic monolithic body | Feng Wang, Keith Gaff, Darrell Ehrlich | 2024-04-23 |
| 11935776 | Electrostatically clamped edge ring | Keith Gaff, Feng Wang | 2024-03-19 |
| 11848177 | Multi-plate electrostatic chucks with ceramic baseplates | Feng Wang, Keith Gaff | 2023-12-19 |
| 10923380 | Electrostatically clamped edge ring | Keith Gaff, Feng Wang | 2021-02-16 |
| 10804129 | Electrostatic chuck assembly incorporation a gasket for distributing RF power to a ceramic embedded electrode | Keith Gaff, Alexander Matyushkin, Zhigang Chen, Keith Comendant | 2020-10-13 |
| 10002782 | ESC assembly including an electrically conductive gasket for uniform RF power delivery therethrough | Keith Gaff, Alexander Matyushkin, Zhigang Chen, Keith Comendant | 2018-06-19 |
| 9922857 | Electrostatically clamped edge ring | Keith Gaff, Feng Wang | 2018-03-20 |
| 9101038 | Electrostatic chuck including declamping electrode and method of declamping | Harmeet Singh, Keith Gaff, Tyler Gloski | 2015-08-04 |
| 7994794 | Methods for measuring a set of electrical characteristics in a plasma | Eric A. Hudson, Douglas Keil, Alexei Marakhtanov | 2011-08-09 |
| 7867355 | Adjustable height PIF probe | Eric A. Hudson, Douglas Keil, Alexei Marakhtanov | 2011-01-11 |
| 7723994 | Plasma processing chamber with an apparatus for measuring a set of electrical characteristics in a plasma | Eric A. Hudson, Douglas Keil, Alexei Marakhtanov | 2010-05-25 |
| 7699634 | High power electrical connector for a laminated heater | Arnold Kholodenko, Russell Martin, John Rasnick | 2010-04-20 |
| 7479207 | Adjustable height PIF probe | Eric A. Hudson, Douglas Keil, Alexei Marakhtanov | 2009-01-20 |
| 7319316 | Apparatus for measuring a set of electrical characteristics in a plasma | Eric A. Hudson, Douglas Keil, Alexei Marakhtanov | 2008-01-15 |
| 6449560 | Sonic well logging with multiwave processing utilizing a reduced propagator matrix | — | 2002-09-10 |
| 5999484 | Methods of analyzing stoneley waveforms and characterizing underground formations | Pawel Lewicki | 1999-12-07 |
| 5687138 | Methods of analyzing stoneley waveforms and characterizing underground formations | Pawel Lewicki | 1997-11-11 |
| 5587966 | Sonic well logging methods and apparatus for processing flexural wave in optimal frequency band | David J. Scheibner | 1996-12-24 |
| 5521882 | Measurement of formation characteristics using acoustic borehole tool having sources of different frequencies | Ralph M. D'Angelo, Sergio Kostek, Thomas J. Plona, Kenneth W. Winkler | 1996-05-28 |
| 5278805 | Sonic well logging methods and apparatus utilizing dispersive wave processing | — | 1994-01-11 |
| 5226018 | Geophysical prospecting method using pseudo-random pulse sequences | Chung Chang, Benoit Froelich | 1993-07-06 |
| 5146432 | Method for making cement impedance measurements with characterized transducer | Sevig Ayter | 1992-09-08 |
| 4928269 | Determining impedance of material behind a casing in a borehole | Fred E. Stanke, Curtis Randall, Andrew Hayman | 1990-05-22 |
| 4594691 | Sonic well logging | Thomas L. Marzetta | 1986-06-10 |