Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7261763 | Method for the recovery and recycle of helium and chlorine | — | 2007-08-28 |
| 7137279 | Cap assembly and optical fiber cooling process | Yaping Lu, Neeraj Saxena, Paul A. Propsner, Lip Yee Lee | 2006-11-21 |
| 6789400 | Cap assembly and optical fiber cooling process | Yaping Lu, Neeraj Saxena, Paul A. Propsner, Lip Yee Lee | 2004-09-14 |
| 6503297 | Adsorption processes | Yaping Lu, Divyanshu R. Acharya, Norberto O. Lemcoff | 2003-01-07 |
| 6409801 | Activation processes for monolith adsorbents | Dongmin Shen, Sudhakar R. Jale, Frank R. Fitch, Ravi Jain, Yaping Lu +1 more | 2002-06-25 |
| 6364932 | Cold gas-dynamic spraying process | Wenchang Ji, Michael J. McGowan, Daniel A. Morgan | 2002-04-02 |
| 6200366 | Separation of alkenes and alkanes | Martin Bulow, Chang Jie Guo, Dongmin Shen, Frank R. Fitch, Virginia A. Malik | 2001-03-13 |
| 6190436 | Ozone purification process | Wenchang Ji, Robert J. Ferrell | 2001-02-20 |
| 6125638 | Optical fiber cooling process | Wenchang Ji, Roger Meagher | 2000-10-03 |
| 6065306 | Method and apparatus for purifying ammonia | Wenchang Ji, Atul M. Athalye, Piotr J. Sadkowski | 2000-05-23 |
| 6024781 | Separation of carbon dioxide and hydrocarbons | Martin Bulow, Chang Jie Guo, Dongmin Shen, Frank R. Fitch, Alberto I. La Cava +2 more | 2000-02-15 |
| 6017382 | Method of processing semiconductor manufacturing exhaust gases | Wenchang Ji, Dongmin Shen, Ravi Jain, Atul M. Athalye, Piotr J. Sadkowski | 2000-01-25 |
| 5532384 | Process for producing hydrocarbon partial oxidation products | Ramakrishnan Ramachandran | 1996-07-02 |
| 5344766 | Process for the production of bioproteins | Ramakrishnam Ramachandran | 1994-09-06 |
| 5332036 | Method of recovery of natural gases from underground coal formations | Ramakrishnam Ramachandran | 1994-07-26 |
| 5262547 | Process for the production of petrochemicals | Ramakrishnan Ramachandran, Lien-Lung Sheu | 1993-11-16 |
| 5258056 | PSA system with product turndown and purity control | Alberto I. LaCava | 1993-11-02 |
| 5229089 | Recovery of flammable materials from gas streams | Ramakrishnan Ramachandran | 1993-07-20 |
| 5126463 | Process for the production of anhydrides | Ramakrishnan Ramachandran, Lien-Lung Sheu | 1992-06-30 |
| 5082474 | Pressurization PSA systems for the production of high purity product gas | Alberto I. LaCava | 1992-01-21 |
| 4931071 | Method for densely packing molecular sieve adsorbent beds in a PSA system | Robert H. Kaplan, Alberto I. LaCava, Steven Ringo | 1990-06-05 |
| 4853004 | Method for densely packing molecular sieve adsorbent beds in a PSA system | Robert H. Kaplan, Alberto I. LaCava, Steven Ringo | 1989-08-01 |