Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10713628 | System and method for recycling non-reusable refrigerant containers | — | 2020-07-14 |
| 10605507 | Method and apparatus for measuring and improving efficiency in refrigeration systems | Douglas Schmidt | 2020-03-31 |
| 10436488 | Method and apparatus for optimizing refrigeration systems | Riyaz Papar | 2019-10-08 |
| 10041713 | Method and apparatus for measuring and improving efficiency in refrigeration systems | Douglas Schmidt | 2018-08-07 |
| 9519891 | System and method for recycling non-reusable refrigerant containers | — | 2016-12-13 |
| 9423165 | Method and apparatus for optimizing refrigeration systems | Riyaz Papar | 2016-08-23 |
| 9222712 | Method and apparatus for measuring and improving efficiency in refrigeration systems | Douglas Schmidt | 2015-12-29 |
| 8695364 | System and method for recycling non-reusable refrigerant containers | — | 2014-04-15 |
| 8463441 | Method and apparatus for optimizing refrigeration systems | Riyaz Papar | 2013-06-11 |
| 8327653 | Method and apparatus for measuring and improving efficiency in refrigeration systems | Douglas Schmidt | 2012-12-11 |
| 8205462 | System and method for recycling non-usable refrigerant containers | — | 2012-06-26 |
| 8046107 | Method and apparatus for optimizing refrigeration systems | Riyaz Papar | 2011-10-25 |
| 7805952 | Method and apparatus for measuring and improving efficiency in refrigeration systems | Douglas Schmidt | 2010-10-05 |
| 7599759 | Method and apparatus for optimizing refrigeration systems | Riyaz Papar | 2009-10-06 |
| 7533536 | Method and apparatus for measuring and improving efficiency in refrigeration systems | Douglas Schmidt | 2009-05-19 |
| 7086240 | Method and apparatus for measuring and improving efficiency in refrigeration systems | Douglas Schmidt | 2006-08-08 |
| 7059143 | Method and apparatus for measuring and improving efficiency in refrigeration systems | Douglas Schmidt | 2006-06-13 |
| 6505475 | Method and apparatus for measuring and improving efficiency in refrigeration systems | Douglas Schmidt | 2003-01-14 |
| 6357240 | Apparatus and method for flushing a chiller system | Arthur R. Mika | 2002-03-19 |
| 6290778 | Method and apparatus for sonic cleaning of heat exchangers | — | 2001-09-18 |
| 6141977 | Apparatus and method for recovering volatile refrigerants | — | 2000-11-07 |
| 5802859 | Apparatus for recovering and analyzing volatile refrigerants | — | 1998-09-08 |
| 5502974 | Hydraulic system for recovering refrigerants | — | 1996-04-02 |
| 5377499 | Method and apparatus for refrigerant reclamation | — | 1995-01-03 |