Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11590471 | Device and method for loading pellets into reactor tubes | Clifford L. Johns, Dennis Patrick McAndrews | 2023-02-28 |
| 11103842 | Device and method for loading pellets | Clifford L. Johns | 2021-08-31 |
| 10710039 | Device and method for loading pellets | Clifford L. Johns | 2020-07-14 |
| 10493417 | Method for loading pellets | Clifford L. Johns, Dennis Patrick McAndrews | 2019-12-03 |
| 9205391 | Device for injecting gas into the tubes of a chemical reactor | Clifford L. Johns, Dennis Patrick McAndrews, Munaf Chasmawala, Matthew Laughlin | 2015-12-08 |
| 9138710 | Device for unloading catalyst from a reactor vessel | Clifford L. Johns, Dennis Patrick McAndrews, Munaf Chasmawala, Matthew Laughlin | 2015-09-22 |
| 8752291 | Method for marking tubes in a shell and tube heat exchanger | Clifford L. Johns, Guillermo Camoriano, Bart Andrew Nuss, Dennis Patrick McAndrews, Munaf Chasmawala +1 more | 2014-06-17 |
| 8752912 | Carrying case conversion to desk | Clifford L. Johns, Munaf Chasmawala, Dennis Patrick McAndrews, Matthew Laughlin | 2014-06-17 |
| 8562270 | Loading arrangement including a dam for confining catalyst and other particles on the top tubesheet of a chemical reactor | Clifford L. Johns, Dennis Patrick McAndrews | 2013-10-22 |