Issued Patents All Time
Showing 26–50 of 57 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5145615 | Process for making an expanded fiber composite structure | Donald E. Woodmansee | 1992-09-08 |
| 5139407 | Apparatus for reducing thermoplastic material compression mold cycle time | Donald E. Woodmansee | 1992-08-18 |
| 5134959 | Apparatus for coating fibers with thermoplastics | Donald E. Woodmansee | 1992-08-04 |
| 5128073 | Expanding thermoplastic resin beads with very high frequency energy | Richard B. Allen, David Scott Miller | 1992-07-07 |
| 5124192 | Plastic mold structure and method of making | Matthew Frank Niemeyer, Donald Franklin Foust | 1992-06-23 |
| 5082436 | Apparatus for deforming thermoplastic material using RF heating | Tak-Ming Choi, Adalbert Konrad, James J. Carroll | 1992-01-21 |
| 5064597 | Method of compression molding on hot surfaces | — | 1991-11-12 |
| 5047198 | Compression molding of composite parts on hot mold surfaces with a short cycle time | — | 1991-09-10 |
| 5041247 | Method and apparatus for blow molding parts with smooth surfaces | — | 1991-08-20 |
| 5006373 | Method and apparatus for coating fibers with thermoplastics | Donald E. Woodmansee | 1991-04-09 |
| 4983247 | Method for producing resin rich surface layer on composite thermoplastic material | — | 1991-01-08 |
| 4970044 | Compression molding using insulating films | Donald E. Woodmansee | 1990-11-13 |
| 4859524 | Reinforced composite and method of manufacture | Harold F. Giles, Jr. | 1989-08-22 |
| 4716072 | Multilayer composite structure for smooth surfaces | — | 1987-12-29 |
| 4664808 | Method for continuous separation of dissolved materials | — | 1987-05-12 |
| 4645595 | Water softening system particularly for individual appliances | Fred F. Holub | 1987-02-24 |
| 4618428 | Process for recovery of zinc from plating waste solutions | — | 1986-10-21 |
| 4587112 | Effluent gas desulfurization with conversion to gypsum of large particle size | — | 1986-05-06 |
| 4572824 | Process for recovery of zirconium and acid from spent etching solutions | — | 1986-02-25 |
| 4563337 | Method and apparatus for continuous ion exchange | — | 1986-01-07 |
| 4556469 | Electrolytic reactor for cleaning wastewater | Joseph L. Weininger | 1985-12-03 |
| 4533440 | Method for continuous measurement of the sulfite/sulfate ratio | — | 1985-08-06 |
| 4523998 | Continuous ion exchange process using thermally regenerable liquid ion exchangers | — | 1985-06-18 |
| 4462913 | Process for treating wastewater containing fat and heavy metal ions | Paul A. Amodeo, Jr. | 1984-07-31 |
| 4455236 | Method for removing hydrogen sulfide from aqueous streams | — | 1984-06-19 |