Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12065857 | Facilitation of opening and closing of structures without use of hand | — | 2024-08-20 |
| 8959950 | High capacity chiller compressor | Mark C. Doty, Earl A. Champaigne, Paul K. Butler, Quentin E. Cline, Samuel J. Showalter | 2015-02-24 |
| 8397534 | High capacity chiller compressor | Mark C. Doty, Earl A. Campaigne, Jr., Paul K. Butler, Quentin E. Cline, Samuel J. Showalter | 2013-03-19 |
| 8156757 | High capacity chiller compressor | Mark C. Doty, Earl A. Campaigne, Jr., Paul K. Butler, Quentin E. Cline, Samuel J. Showalter | 2012-04-17 |
| 5788715 | Telescoping serial elastic band ligator | Harold M. Aznoian, Ronald B. Lamport, Paul D. Gillette, Donald M. Golden, Nasser Rafiee | 1998-08-04 |
| 5681328 | Reciprocating serial transparent elastic band ligator | Ronald B. Lamport | 1997-10-28 |
| 4363596 | Method and apparatus for surge detection and control in centrifugal gas compressors | Paul R. Smallwood, Jr. | 1982-12-14 |
| 4265589 | Method and apparatus for surge detection and control in centrifugal gas compressors | Paul R. Smallwood, Jr. | 1981-05-05 |
| 4257744 | Impeller and shaft assembly for high speed gas compressor | — | 1981-03-24 |
| 4248054 | Refrigeration system with load balancing control for at least three centrifugal compressors | Watson L. Courtney | 1981-02-03 |
| 4213307 | Oil separation and return system for centrifugal refrigerant compressors | — | 1980-07-22 |