Issued Patents All Time
Showing 1–25 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6315806 | Method and apparatus for producing high efficiency fibrous media incorporating discontinuous sub-micron diameter fibers, and web media formed thereby | Richard C. Findlow | 2001-11-13 |
| 6269513 | Wipe pads with superior solids removal ability using sub-micron filaments | — | 2001-08-07 |
| 6183670 | Method and apparatus for producing high efficiency fibrous media incorporating discontinuous sub-micron diameter fibers, and web media formed thereby | Richard C. Findlow | 2001-02-06 |
| 5397759 | Hollow porous microspheres made from dispersed particle compositions | — | 1995-03-14 |
| 5225123 | Methods for producing hollow microspheres made from dispersed particle compositions | — | 1993-07-06 |
| 5212143 | Hollow porous microspheres made from dispersed particle compositions | — | 1993-05-18 |
| 4793980 | Hollow porous microspheres as substrates and containers for catalyst | — | 1988-12-27 |
| 4777154 | Hollow microspheres made from dispersed particle compositions and their production | — | 1988-10-11 |
| 4743545 | Hollow porous microspheres containing biocatalyst | — | 1988-05-10 |
| 4671909 | Method for making hollow porous microspheres | — | 1987-06-09 |
| 4637990 | Hollow porous microspheres as substrates and containers for catalysts and method of making same | — | 1987-01-20 |
| 4582534 | Metal microspheres, filamented hollow metal microspheres and articles produced therefrom | — | 1986-04-15 |
| 4568389 | Shaped form or formed mass of hollow metal microspheres | — | 1986-02-04 |
| 4548196 | Solar collector comprising transparent hollow plastic microspheres as insulation material | — | 1985-10-22 |
| 4536361 | Method for producing plastic microfilaments | — | 1985-08-20 |
| 4525314 | Producing metal and metal glass microfilaments | — | 1985-06-25 |
| 4415512 | Method and apparatus for producing hollow metal microspheres and microspheroids | — | 1983-11-15 |
| 4363646 | Method and apparatus for producing microfilaments | — | 1982-12-14 |
| 4303061 | Solar energy collector having hollow microspheres | — | 1981-12-01 |
| 4303431 | Method and apparatus for producing hollow microspheres | — | 1981-12-01 |
| 4303432 | Method for compressing gaseous materials in a contained volume | — | 1981-12-01 |
| 4303433 | Centrifuge apparatus and method for producing hollow microspheres | — | 1981-12-01 |
| 4303603 | Method and apparatus for producing hollow plastic microspheres | — | 1981-12-01 |
| 4303729 | Hollow plastic microspheres | — | 1981-12-01 |
| 4303730 | Hollow microspheres | — | 1981-12-01 |