Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5356208 | Screw element having shearing and scraping flights | — | 1994-10-18 |
| 4871260 | Rotary processor apparatus and method for extensive and dispersive mixing | Arthur D. Siegel, Jan-Chin Yang | 1989-10-03 |
| 4606646 | Rotary processors for devolatilizing materials | Pradip S. Mehta, Lefteris N. Valsamis | 1986-08-19 |
| 4529320 | Rotary processors and method for devolatilizing materials | Pradip S. Mehta, Lefteris N. Valsamis | 1985-07-16 |
| 4486099 | Rotary processors and devolatilizing methods for particulate materials | — | 1984-12-04 |
| 4421412 | Process and apparatus for processing plastic and polymeric materials | Peter Hold, Lefteris N. Valsamis | 1983-12-20 |
| 4413913 | Method for processing plastic and polymeric materials | Peter Hold | 1983-11-08 |
| 4389119 | Rotary processors | Lefteris N. Valsamis | 1983-06-21 |
| 4329065 | Apparatus for processing plastic and polymeric materials | Peter Hold | 1982-05-11 |
| 4300842 | Seals for rotary processor | Peter Hold | 1981-11-17 |
| 4289319 | Rotary seal construction and processor | Peter Hold | 1981-09-15 |
| 4255059 | Processing element | Peter Hold, Lefteris N. Valsamis | 1981-03-10 |
| 4227816 | Rotary processor | Peter Hold | 1980-10-14 |
| 4213710 | Adjustable homogenization extruder | Peter Hold, Hans R. Scharer | 1980-07-22 |
| 4207004 | Seals for rotary processor | Peter Hold | 1980-06-10 |
| 4194841 | Method and apparatus for processing polymeric materials | — | 1980-03-25 |