Issued Patents All Time
Showing 226–250 of 262 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5913856 | Catheter system having a porous shaft and fluid irrigation capabilities | Weng-Kwen Raymond Chia | 1999-06-22 |
| 5897554 | Steerable catheter having a loop electrode | Weng-Kwen Raymond Chia | 1999-04-27 |
| 5893884 | Catheter system having rollable electrode means | — | 1999-04-13 |
| 5891027 | Cardiovascular catheter system with an inflatable soft tip | Chi-Wu James Chang | 1999-04-06 |
| 5891138 | Catheter system having parallel electrodes | Weng-Kwen Raymond Chia | 1999-04-06 |
| 5891137 | Catheter system having a tip with fixation means | Weng-Kwen Raymond Chia | 1999-04-06 |
| 5876399 | Catheter system and methods thereof | Weng-Kwen Raymond Chia | 1999-03-02 |
| 5876340 | Ablation apparatus with ultrasonic imaging capabilities | Weng-Kwen Raymond Chia | 1999-03-02 |
| 5868741 | Ablation catheter system having fixation tines | Weng-Kwen Raymond Chia | 1999-02-09 |
| 5843152 | Catheter system having a ball electrode | Weng-Kwen Raymond Chia | 1998-12-01 |
| 5843020 | Ablation device and methods | Weng-Kwen Raymond Chia | 1998-12-01 |
| 5792140 | Catheter having cooled multiple-needle electrode | Weng-Kwen Raymond Chia | 1998-08-11 |
| 5782900 | Catheter system having safety means | Alan de la Rama, Weng-Kwen Raymond Chia | 1998-07-21 |
| 5779715 | Lead extraction system and methods thereof | — | 1998-07-14 |
| 4364847 | Passivation of metal contaminants on cracking catalyst with a lithium compound | — | 1982-12-21 |
| 4348272 | Hydrogen utilization in fluid catalytic cracking | — | 1982-09-07 |
| 4345946 | Process for use of a zeolite molecular sieve adsorbent in an aqueous system | Juana E. Rojo | 1982-08-24 |
| 4343723 | Catalytic composite from partially crystallized clay | Edward S. Rogers | 1982-08-10 |
| 4337145 | Fluid catalytic cracking process | — | 1982-06-29 |
| 4333821 | Process for use of a high octane FCC catalysts | — | 1982-06-08 |
| 4316819 | Technique to reduce the zeolite molecular sieve solubility in an aqueous system | Stephen W. Sohn | 1982-02-23 |
| 4312743 | FCC Process using catalyst produced from used FCC catalyst | William D. Schlueter | 1982-01-26 |
| 4312744 | FCC Process using low coke-make FCC catalyst | David C. DeCoster | 1982-01-26 |
| 4305845 | Zeolitic catalyst | — | 1981-12-15 |
| 4300012 | Process for transalkylation of alkylaromatic hydrocarbons | Stephen W. Sohn | 1981-11-10 |