| 5209607 |
Powder feeder apparatus |
Nan Wei, Chi-Hung Lin, David R. Kreider, Ronald Stark |
1993-05-11 |
| 5041323 |
Honeycomb noise attenuation structure |
Jia Yu |
1991-08-20 |
| 4921919 |
Method and apparatus for minimizing polymer agglomerate or lump formation in a gas-phase polypropylene polymerization reactor |
Chi-Hung Lin, Jack F. Stevens, Benjamin S. Tovrog |
1990-05-01 |
| 4817756 |
Quiet nacelle system and hush kit |
Thomas W. Carr, Alan Marsh |
1989-04-04 |
| 4749150 |
Turbofan duct with noise suppression and boundary layer control |
Alojzy A. Mikolajczak |
1988-06-07 |
| 4723626 |
Quiet nacelle system and hush kit |
Thomas W. Carr |
1988-02-09 |
| 4640963 |
Method and apparatus for recycle of entrained solids in off-gas from a gas-phase polyolefin reactor |
David R. Kreider, Albert McCullum, Chi-Hung Lin |
1987-02-03 |
| 4627735 |
Double reverse helix agitator |
Yoon Seok Song |
1986-12-09 |
| 4441578 |
Encapsulated bulk absorber acoustic treatments for aircraft engine application |
— |
1984-04-10 |
| 4421811 |
Method of manufacturing double layer attenuation panel with two layers of linear type material |
Frank J. Riel |
1983-12-20 |
| 4326048 |
Method for emergency shutdown of gas phase polyolefin reactor |
Jack F. Stevens, Kwok-Fu Lee, David R. Kreider, Chi-Hung Lin |
1982-04-20 |
| 4318453 |
Double layer attenuation panel |
Frank J. Riel |
1982-03-09 |
| 4313524 |
Bulk acoustic absorber panels for use in high speed gas flow environments |
— |
1982-02-02 |
| 4294329 |
Double layer attenuation panel with two layers of linear type material |
Frank J. Riel |
1981-10-13 |