Issued Patents All Time
Showing 1–25 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12173836 | Focused light beam alignment apparatus for aligning fixture relative to a vehicle | Edward P. Cahill, Derrick R. Steel, Gary F. Stefanik | 2024-12-24 |
| 11591033 | Focused light beam alignment apparatus for aligning fixture relative to a vehicle | Edward P. Cahill, Derrick R. Steel | 2023-02-28 |
| 11525541 | Focused light beam alignment apparatus for aligning fixture relative to a vehicle | Edward P. Cahill, Derrick R. Steel, Gary F. Stefanik | 2022-12-13 |
| 11353156 | Focused light beam alignment apparatus for aligning fixture relative to a vehicle | Edward P. Cahill, Derrick R. Steel, Gary F. Stefanik | 2022-06-07 |
| 10871317 | Apparatus and method for indicating status of multi-phase vacuum-assisted recovery of refrigerant | Rahhali Sanhaji | 2020-12-22 |
| 10808974 | Apparatus and method for dual refrigerant tank refill | Rahhali Sanhaji, Paolo Pennacchia, Massimo Corposanto | 2020-10-20 |
| 10775226 | Apparatus and method for locking a storage tank above a scale for transportation | Rahhali Sanhaji | 2020-09-15 |
| 10563893 | System and method for checking and calibrating scale for measuring fluid in refrigerant recovery system | Paolo Pennacchia | 2020-02-18 |
| 10352600 | Apparatus and method for a multi-phase vacuum-assisted recovery of refrigerant | Rahhali Sanhaji | 2019-07-16 |
| 10329037 | Apparatus and method for locking a storage tank above a scale during transportation | Rahhali Sanhaji | 2019-06-25 |
| 8887516 | Refrigerant charging system and method for using vapor-phase refrigerant | Dean P. Pfefferle, Larry G. Moller, Anwar Suharno, Ken R. Meldahl | 2014-11-18 |
| 8429921 | A/C maintenance system using heat transfer from the condenser to the oil separator for improved efficiency | Anwar Suharno, Dean P. Pfefferle | 2013-04-30 |
| 8376782 | Power strip with input plug | — | 2013-02-19 |
| 7905095 | System for refrigerant charging with constant volume tank | Anwar Suharno, Dean P. Pfefferle, Kenneth R. Meldahl, Larry G. Moller | 2011-03-15 |
| 7845178 | A/C maintenance system using heat transfer from the condenser to the oil separator for improved efficiency | Anwar Suharno, Dean P. Pfefferle | 2010-12-07 |
| 7762089 | Refrigerant charging system and method using vapor-phase refrigerant | Dean P. Pfefferle, Larry G. Moller, Anwar Suharno, Ken R. Meldahl | 2010-07-27 |
| 7310964 | Refrigerant charging using line having a control valve | — | 2007-12-25 |
| 7310956 | Refrigerant charging by optimum performance | Kenneth R. Meldahl, Dean P. Pfefferle, Anwar Suharno, Larry G. Moller | 2007-12-25 |
| 7254954 | Refrigerant charging system and method using cartridges and scale | Anwar Suharno | 2007-08-14 |
| 7210300 | Refrigerant charging system and method with cartridges | Anwar Suharno, Dean P. Pfefferle, Kenneth R. Meldahl, Larry G. Moller | 2007-05-01 |
| D465895 | Cart-housing for automotive service equipment | Dean P. Pfefferle, Anwar Suharno, Michael M. Meeker, Larry G. Moller, Mark R. Schaefer | 2002-11-19 |
| 6427457 | Refrigerant recycling system with automatic detection of optional vacuum pump | Dean P. Pfefferle, Michael B. Meeker, Larry G. Moller | 2002-08-06 |
| 6242921 | Alternator testing apparatus and method | Dennis G. Thibedeau | 2001-06-05 |
| 5396427 | Method and apparatus for determining relative contributions of individual cylinders of internal combustion engine | James R. Piehl, Robert D. Braun, Gary S. Wollert | 1995-03-07 |
| 5296869 | Digital engine analyzer | Gary Jonker, Michael B. Meeker, James R. Piehl, Michael C. Putrow, John C. Sniegowski | 1994-03-22 |