Issued Patents All Time
Showing 25 most recent of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12394909 | Antenna and electronic device | Xichao Fan, Yali Wang, Youjian HU, Guoqiang Tang | 2025-08-19 |
| 12375120 | Device of processing data, office device, office method, office apparatus, medium and product | Xichao Fan, Yazhou Ren, Biqi LI, Feng QU, Yali Wang | 2025-07-29 |
| 12252598 | Systems and methods for photophoretic propulsion for flight | Igor Bargatin, Mohsen Azadi | 2025-03-18 |
| RE46925 | Composite electrode for a plasma arc torch | David J. Cook, Kirk H. Ferland, Charles M. Hackett, Yong Yang, Richard W. Couch, Jr. | 2018-06-26 |
| 7659488 | Composite electrode for a plasma arc torch | David J. Cook, Kirk H. Ferland, Charles M. Hackett, Yong Yang, Richard W. Couch, Jr. | 2010-02-09 |
| 7049540 | Process and apparatus for cutting or welding a workpiece | Nicholas A. Sanders, Richard W. Couch, Jr., Yong Yang, Robert C. Dean, Jr., Charles M. Hackett | 2006-05-23 |
| 6841754 | Composite electrode for a plasma arc torch | David J. Cook, Kirk H. Ferland, Charles M. Hackett, Young Sek Yang, Richard W. Couch, Jr. | 2005-01-11 |
| 6720518 | Process and apparatus for cutting or welding a workpiece | Nicholas A. Sanders, Richard W. Couch, Jr., Yong Yang, Robert C. Dean, Jr., Kenneth J. Woods +3 more | 2004-04-13 |
| 6713709 | Process and apparatus for cutting or welding a workpiece | Nicholas A. Sanders, Richard W. Couch, Jr., Yong Yang, Robert C. Dean, Jr., Kenneth J. Woods +3 more | 2004-03-30 |
| 6614001 | Nozzle for plasma arc torch | Charles M. Hackett, Yutaka Nakano, Aaron D. Brandt, Brian J. Currier, Kenneth J. Woods | 2003-09-02 |
| 6525291 | Process and apparatus for cutting or welding a workpiece | Nicholas A. Sanders, Richard W. Couch, Jr., Yong Yang, Robert C. Dean, Jr., Kenneth J. Woods +3 more | 2003-02-25 |
| 6424082 | Apparatus and method of improved consumable alignment in material processing apparatus | Charles M. Hackett, Yutaka Nakano, Aaron D. Brandt, Brian J. Currier, Kenneth J. Woods | 2002-07-23 |
| 6130399 | Electrode for a plasma arc torch having an improved insert configuration | Richard W. Couch, Jr. | 2000-10-10 |
| 5994663 | Plasma arc torch and method using blow forward contact starting system | — | 1999-11-30 |
| 5897795 | Integral spring consumables for plasma arc torch using blow forward contact starting system | Richard W. Couch, Jr., Brian J. Currier | 1999-04-27 |
| 5886315 | Blow forward contact start plasma arc torch with distributed nozzle support | Jon W. Lindsay, Stephen T. Eickhoff, Michael F. Kornprobst | 1999-03-23 |
| 5866872 | Plasma arc torch position control | John Sobr, Norm LeBlanc, Jeffrey L. Peterson | 1999-02-02 |
| 5841095 | Apparatus and method for improved assembly concentricity in a plasma arc torch | Richard W. Couch, Jr., Jennifer Freeman | 1998-11-24 |
| 5773788 | Gas mixtures for plasma arc torch cutting and marking systems | Elizabeth B. Hackett | 1998-06-30 |
| 5760363 | Apparatus and method for starting and stopping a plasma arc torch used for mechanized cutting and marking applications | Elizabeth B. Hackett, Timothy M. Brewer, Richard W. Couch, Jr. | 1998-06-02 |
| 5756959 | Coolant tube for use in a liquid-cooled electrode disposed in a plasma arc torch | Jennifer Freeman, Richard W. Couch, Jr., Roger L. Kenyon | 1998-05-26 |
| 5653896 | Process for high quality plasma arc and laser cutting of stainless steel and aluminum | Richard W. Couch, Jr., Nicholas A. Sanders, Lifeng Luo, Staffan C. O. Stenfelt | 1997-08-05 |
| 5558786 | Process for high quality plasma arc and laser cutting of stainless steel and aluminum | Richard W. Couch, Jr., Nicholas A. Sanders, Lifeng Luo, Staffan C. O. Stenfelt | 1996-09-24 |
| 5414236 | Process for high quality plasma arc cutting of stainless steel and aluminum | Richard W. Couch, Jr., Nicholas A. Sanders, Lifeng Luo | 1995-05-09 |
| 5380976 | Process for high quality plasma arc and laser cutting of stainless steel and aluminum | Richard W. Couch, Jr., Nicholas A. Sanders, Lifeng Luo, Staffan C. O. Stenfelt | 1995-01-10 |