Patents per Year
Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 11292624 | End of arm tool for loaded case closure | Aaron M. Frederick, Robert Allan Danner, Jr., Christopher T. Davis, Richard W. Lukanen, Jr. | 2022-04-05 | |
| 8733114 | Method and apparatus for refrigerant recovery unit filter dryer maintenance | Gary P. Murray | 2014-05-27 | |
| 7854133 | Air conditioning service station with electrically driven analog-display pressure gauges | William Brown | 2010-12-21 | $6,133,000 |
| 7726137 | Method and apparatus for refrigerant recovery unit filter dryer maintenance | Gary P. Murray | 2010-06-01 | $8,826,000 |
| 7316177 | Hydraulic hand pump with locking device | Michael T. Landrum, Douglas P. Miller | 2008-01-08 | $31,890,000 |
| D520522 | Hand pump | Michael T. Landrum | 2006-05-09 |