Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12350677 | Device for loading pellets into reactor tubes | Clifford L. Johns, Paul D. Gossen, Christopher G. Johns | 2025-07-08 |
| 12228356 | Device for cleaning inner surface of heat exchanger tubes | Clifford L. Johns, Stephen W. Brewer | 2025-02-18 |
| 11660579 | Air lance for removing pellets from tubes | Paul D. Gossen, Clifford L. Johns | 2023-05-30 |
| 11590471 | Device and method for loading pellets into reactor tubes | Clifford L. Johns, Douglas K. Cornett | 2023-02-28 |
| 11406955 | Air lance for removing pellets from a tube | Clifford L. Johns | 2022-08-09 |
| 10493417 | Method for loading pellets | Douglas K. Cornett, Clifford L. Johns | 2019-12-03 |
| 9205391 | Device for injecting gas into the tubes of a chemical reactor | Clifford L. Johns, Munaf Chasmawala, Matthew Laughlin, Douglas K. Cornett | 2015-12-08 |
| 9149778 | Device and method for dispensing catalyst pellets | Clifford L. Johns, Munaf Chasmawala | 2015-10-06 |
| 9138709 | Device and method for dispensing pellets | Clifford L. Johns, Munaf Chasmawala | 2015-09-22 |
| 9138710 | Device for unloading catalyst from a reactor vessel | Clifford L. Johns, Munaf Chasmawala, Douglas K. Cornett, Matthew Laughlin | 2015-09-22 |
| 8752912 | Carrying case conversion to desk | Clifford L. Johns, Munaf Chasmawala, Matthew Laughlin, Douglas K. Cornett | 2014-06-17 |
| 8752291 | Method for marking tubes in a shell and tube heat exchanger | Clifford L. Johns, Guillermo Camoriano, Bart Andrew Nuss, Munaf Chasmawala, Matthew Laughlin +1 more | 2014-06-17 |
| 8646492 | Device for loading catalyst into a reactor vessel | Clifford L. Johns, Munaf Chasmawala | 2014-02-11 |
| 8562270 | Loading arrangement including a dam for confining catalyst and other particles on the top tubesheet of a chemical reactor | Clifford L. Johns, Douglas K. Cornett | 2013-10-22 |