Issued Patents All Time
Showing 26–50 of 50 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7574417 | Self configuration of embedded historians | Robert Joseph McGreevy, Taryl J. Jasper, John J. Baier | 2009-08-11 |
| 7396089 | Electro-pneumatic latching valve system | Mark A. Bennett | 2008-07-08 |
| 7354118 | Control valve system | — | 2008-04-08 |
| 7258800 | Electrocoagulation waste water batch tank treatment system | — | 2007-08-21 |
| 7255122 | Enhanced exhaust flow control feature | Thanh Ho | 2007-08-14 |
| 7237473 | Actuator for pneumatic valve | Travis G. Ramler | 2007-07-03 |
| 6805414 | Clamp assembly and method | Gregory R. Ashley, George S. Wagner | 2004-10-19 |
| 6746593 | High volume electrolytic water treatment system and process for treating wastewater | — | 2004-06-08 |
| 6613202 | Tank batch electrochemical water treatment process | Lori B. Herbst, Keith Wilkerson | 2003-09-02 |
| 6588856 | Modulator relay valve assembly and method | Gregory R. Ashley, George S. Wagner | 2003-07-08 |
| 6325468 | EBS modulator with direct exhaust capability | Thanh Ho | 2001-12-04 |
| 6305759 | Trailer ABS modulator with direct exhaust and control line/volume drain capability | Thanh Ho | 2001-10-23 |
| 6241861 | Waste water treatment tank using an electrochemical treatment process | — | 2001-06-05 |
| 6240947 | Solenoid valve seat and method of making same | Thanh Ho, Michael D. Tober | 2001-06-05 |
| 6179977 | Insitu electrochemical water treatment process equipment for pits and lagoons | — | 2001-01-30 |
| 6135293 | Water/sludge filter press | Lori B. Herbst | 2000-10-24 |
| 6063272 | Apparatus and method of regenerating an activated carbon filter | — | 2000-05-16 |
| 5666995 | Pilot relay valve including means to control flow through a balance orifice | Duane R. Johnson | 1997-09-16 |
| 5611907 | Electrolytic treatment device and method for using same | F. William Gilmore, Scott W. Powell | 1997-03-18 |
| 5458676 | Pressure differential control valve for compressed air system | Duane R. Johnson | 1995-10-17 |
| 5423962 | Electrolytic treatment apparatus | — | 1995-06-13 |
| 5261458 | Pilot relay valve with load piston | Duane R. Johnson, James E. Fent, James G. Pugh, Paul O. Szentkiralyi | 1993-11-16 |
| 5080133 | Control valve assembly | Duane R. Johnson | 1992-01-14 |
| 5043050 | Electrolytic treatment apparatus | — | 1991-08-27 |
| 4872959 | Electrolytic treatment of liquids | Russell Renk | 1989-10-10 |