Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12364890 | Valve system and method for venting and measuring a gas content of a fire suppression system | George J. McHugh, Bentley F. Gleeson | 2025-07-22 |
| 12343578 | System for maintaining integrity of a dry pipe system with heated cabinet and flow restrictor valve | Bentley F. Gleeson, Michael B. Ferrucci, George J. McHugh | 2025-07-01 |
| 11938358 | Valve system and method for venting and measuring a gas content of a fire suppression system | George J. McHugh, Bentley F. Gleeson | 2024-03-26 |
| 11541261 | System for maintaining integrity of a dry pipe system with heated cabinet and flow restrictor valve | Bentley F. Gleeson, Michael B. Ferrucci, George J. McHugh | 2023-01-03 |
| 11389680 | Main valve with pressure relief valve having a lockout feature | George J. McHugh, Bentley F. Gleeson | 2022-07-19 |
| 11339882 | Butterfly check valve | Bentley F. Gleeson, George J. McHugh | 2022-05-24 |
| 10881887 | Valve system and method for venting and measuring a gas content of a fire suppression system | George J. McHugh, Bentley F. Gleeson | 2021-01-05 |
| 10391344 | Purge and vent valve assembly | George J. McHugh, Bentley F. Gleeson | 2019-08-27 |
| 9032994 | Fire suppression circulation system | George J. McHugh | 2015-05-19 |
| 7836966 | Flow sensor and actuator | George J. McHugh | 2010-11-23 |
| 5937317 | Method of making a low resistivity silicon carbide boule | Donovan L. Barrett, Richard H. Hopkins, Hudson M. Hobgood | 1999-08-10 |
| 5611955 | High resistivity silicon carbide substrates for high power microwave devices | Donovan L. Barrett, Hudson M. Hobgood, Richard H. Hopkins | 1997-03-18 |
| 5563730 | Thallium arsenic sulfide crystals (t1.sub.3 AsS.sub.3) high efficiency nonlinear optical applications | Narsingh B. Singh, Emmanuel P. Supertzi, Tom Henningsen, Richard P. Storrick, Robert Mazelsky | 1996-10-08 |
| 5510929 | Solid solution crystals of Tl.sub.3 AsSe.sub.3 and Tl.sub.3 AsS.sub.3 for high efficiency optical applications | Narsingh B. Singh, Tom Henningsen, Emmanuel P. Supertzi, Richard P. Storrick, Robert Mazelsky | 1996-04-23 |
| 5504615 | Acousto-optic devices utilizing thallium arsenic sulfide (T1AsS.sub.3) crystals | Narsingh B. Singh, Milton Gottlieb, Robert Mazelsky | 1996-04-02 |
| 5229082 | Melt replenishment system for dendritic web growth | Raymond G. Seidensticker, Richard J. Ravas, George V. B. Hall, Frank L. Przywarty, Lynd R. McCormick | 1993-07-20 |
| 4971650 | Method of inhibiting dislocation generation in silicon dendritic webs | John A. Spitznagel, Raymond G. Seidensticker | 1990-11-20 |
| 4786479 | Apparatus for dendritic web growth systems | Rolv Hundal, Raymond G. Seidensticker | 1988-11-22 |
| 4751059 | Apparatus for growing dendritic web crystals of constant width | Raymond G. Seidensticker, Charles S. Duncan | 1988-06-14 |
| 4389377 | Apparatus for growing a dendritic web | Charles S. Duncan, Paul A. Piotrowski, Maria E. Skutch | 1983-06-21 |