Issued Patents All Time
Showing 1–25 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12359727 | Active flush regulation system for use with a mechanical seal or a packing assembly | Robert James Powers | 2025-07-15 |
| 12331836 | System and method for automatically energizing packing material with a packing loading assembly | Robert James Powers, Michael P. Grimanis, Philip Michael MAHONEY, JR. | 2025-06-17 |
| 12152677 | System and method for optimizing a fluid environment in split mechanical seals | Robert James Powers | 2024-11-26 |
| 12000489 | Elastomer spring type mechanical seal | Joseph K. Kaleshian | 2024-06-04 |
| 11608898 | Externally energized secondary seals in split mechanical seals | Robert James Powers | 2023-03-21 |
| 10711898 | Methods and apparatuses for producing a braided dual-sided compression packing seal and methods of using the same | Paul Vincent Starbile, Philip Michael MAHONEY, JR. | 2020-07-14 |
| 9810324 | Methods and apparatuses for producing a braided dual-sided compression packing seal and methods of using the same | Paul Vincent Starbile, Philip Michael MAHONEY, JR. | 2017-11-07 |
| 9546734 | Self aligning split mechanical seal employing a selectively engageable axial biasing assembly | Edwin Cid, Ann T. Attenasio, Timothy Conklin, Howard L. Phillips | 2017-01-17 |
| 9388903 | Methods and apparatuses for producing a compression packing seal including a dual-sided braided jacket and methods of using the same | Paul Vincent Starbile, Philip Michael MAHONEY, JR. | 2016-07-12 |
| 8720899 | Dynamic sealing | Steven Bernoth | 2014-05-13 |
| 8083235 | Dynamic sealing | Steven Bernoth | 2011-12-27 |
| 7708283 | Mechanical seal assembly | Christopher A. Kowalski, Ann T. Attenasio | 2010-05-04 |
| 7370864 | Balanced mechanical seal assembly | — | 2008-05-13 |
| 7097176 | Balanced mechanical seal assembly | — | 2006-08-29 |
| 6935632 | Automatically disengaging spacing mechanism for a mechanical seal | Wayne Spritz | 2005-08-30 |
| 6761359 | Spacing element for centering components in a mechanical seal and for promoting circulation of a seal fluid therein | — | 2004-07-13 |
| 6557856 | Split mechanical face seal | Bo Ruan, Shifeng Wu, Marlen S. Clark | 2003-05-06 |
| 6386547 | Dual non-contacting mechanical face seal having concentric seal faces | Shifeng Wu, Christopher A. Kowalski | 2002-05-14 |
| 6155572 | Non-contacting mechanical face seal including fluid control system | Shi-Feng Wu, Christopher A. Kowalski | 2000-12-05 |
| 6131912 | Split mechanical face seal | Bo Ruan, Shifeng Wu, Marlen S. Clark | 2000-10-17 |
| 6120034 | Secondary sealing assembly for mechanical face seal | Christopher A. Kowalski, Shifeng Wu | 2000-09-19 |
| 6116609 | Fluidic feedback pressure regulation system for a mechanical seal | — | 2000-09-12 |
| 6076830 | Dual non-contacting mechanical face seal having concentric seal faces | Shi-Feng Wu, Christopher A. Kowalski | 2000-06-20 |
| 6068263 | Split mechanical face seal with resilient pivoting member | Bo Ruan, Shifeng Wu, Marlen S. Clark | 2000-05-30 |
| 6068264 | Split mechanical face seal with negative pressure control system | Bo Ruan, Shifeng Wu, Marlen S. Clark | 2000-05-30 |