Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7156235 | Apparatus for and method of classifying particles discharged from a vertical mill | — | 2007-01-02 |
| 6244330 | Anti-vibration ties for tube bundles and related method | Madhava M. Rao | 2001-06-12 |
| 5711350 | Piping systems providing minimal acoustically-induced structural vibrations and fatigue | — | 1998-01-27 |
| 5667149 | Solids pulverizer mill and process utilizing interactive air port nozzles | — | 1997-09-16 |
| 5582515 | Acoustically pulsating burner with integral adjustable Sondhauss thermoacoustic elements | Martin D. Bernstein | 1996-12-10 |
| 5540275 | Single impact rapping hammer system and method for cleaning tube units | — | 1996-07-30 |
| 5489202 | Vibration of systems comprised of hot and cold components | — | 1996-02-06 |
| 5349813 | Vibration of systems comprised of hot and cold components | — | 1994-09-27 |
| 5340275 | Rotary throat cutoff device and method for reducing centrifugal fan noise | — | 1994-08-23 |
| 5039021 | Pulverizing mill having external loading arm mehcanism | — | 1991-08-13 |
| 4981169 | Flexible acoustic baffle for staggered tube banks | — | 1991-01-01 |
| 4796690 | Support system for heat exchange tube | — | 1989-01-10 |
| 4606209 | Disc roller mechanism for forming helical shapes | — | 1986-08-19 |
| 4546631 | Roller mechanism for forming helical shapes | — | 1985-10-15 |
| 4286549 | Steam generator support system | — | 1981-09-01 |
| 4240234 | Adjustable buckstay system for vapor generators or the like | Harry H. Pratt, Clarence C. Eich | 1980-12-23 |
| 4226279 | Method of suppressing formation of heat exchange fluid particles into standing waves | Harry H. Pratt | 1980-10-07 |
| 4204570 | Helical spacer for heat exchanger tube bundle | — | 1980-05-27 |