Issued Patents All Time
Showing 25 most recent of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11076455 | Induction heating tool for membrane roofing | Joshua S. Kelly, Tamilselvan Samiappan, William F. Mast | 2021-07-27 |
| 10932328 | Hand held air cooled induction heating tools with improved commutation | — | 2021-02-23 |
| 10925121 | Hand held induction heater and various transformer embodiments therefor | — | 2021-02-16 |
| 7808211 | System and method for charging batteries | Thomas Finis Johnson, Xiao Ping Chen | 2010-10-05 |
| 7557708 | RFID interrogator/induction heating system | Mark T. Elliott | 2009-07-07 |
| 7528579 | System and method for charging batteries | Thomas Finis Johnson, Xiao Ping Chen | 2009-05-05 |
| 6710314 | Integral hand-held induction heating tool | Edward A. Reiss, Adam G. Malofsky, John P. Barber, Gary L. Claypoole, Robert C. Cravens, II +1 more | 2004-03-23 |
| 6670590 | Eddy current/hysteretic heater apparatus | Thomas M. Gough | 2003-12-30 |
| 6563096 | Eddy current/hysteretic heater apparatus and method of use | Thomas M. Gough | 2003-05-13 |
| 6509555 | Hand held induction tool | Edward A. Riess, Adam G. Malofsky, Bernard M. Malofsky, John P. Barber, Gary L. Claypoole +2 more | 2003-01-21 |
| 5921704 | Mechanical tire deflating device | Charles A. Kuecker | 1999-07-13 |
| 5839849 | Mechanical tire deflating device | Charles A. Kuecker | 1998-11-24 |
| 5805399 | Apparatus for detecting luminous tube and power supply faults where ground fault currents may be absent | — | 1998-09-08 |
| 5680286 | Load fault detector for high frequency luminous tube power supply | — | 1997-10-21 |
| 5668444 | Soft-transition FSK dimmer for gaseous luminous tube lights | — | 1997-09-16 |
| 5645137 | Compact, portable, vehicle disabling device and method | — | 1997-07-08 |
| 5594320 | Charge equalization of series connected cells or batteries | David T. Fouchard, Walter B. Ebner | 1997-01-14 |
| 5506596 | Reduced tension modular neon sign system | — | 1996-04-09 |
| 5503059 | Vehicle disabling device and method | — | 1996-04-02 |
| 5367224 | High frequency luminous tube power supply having neon-bubble and mercury-migration suppression | — | 1994-11-22 |
| 5367225 | High frequency luminous tube power supply having neon-bubble and mercury-migration suppression | David Doss | 1994-11-22 |
| 5349273 | Dimmer and ground fault interruption for solid state neon supply | — | 1994-09-20 |
| 5196780 | Ni-Cad battery charger circuit | — | 1993-03-23 |
| 5189343 | High frequency luminous tube power supply having neon-bubble and mercury-migration suppression | — | 1993-02-23 |
| 5089752 | High frequency luminous tube power supply with ground fault protection | — | 1992-02-18 |