| 9205391 |
Device for injecting gas into the tubes of a chemical reactor |
Clifford L. Johns, Dennis Patrick McAndrews, Matthew Laughlin, Douglas K. Cornett |
2015-12-08 |
| 9149778 |
Device and method for dispensing catalyst pellets |
Clifford L. Johns, Dennis Patrick McAndrews |
2015-10-06 |
| 9138709 |
Device and method for dispensing pellets |
Clifford L. Johns, Dennis Patrick McAndrews |
2015-09-22 |
| 9138710 |
Device for unloading catalyst from a reactor vessel |
Clifford L. Johns, Dennis Patrick McAndrews, Douglas K. Cornett, Matthew Laughlin |
2015-09-22 |
| 9034110 |
Method of cleaning tubes |
Clifford L. Johns, August M. Dattilo, III, Manfred Schmidt |
2015-05-19 |
| 8752291 |
Method for marking tubes in a shell and tube heat exchanger |
Clifford L. Johns, Guillermo Camoriano, Bart Andrew Nuss, Dennis Patrick McAndrews, Matthew Laughlin +1 more |
2014-06-17 |
| 8752912 |
Carrying case conversion to desk |
Clifford L. Johns, Dennis Patrick McAndrews, Matthew Laughlin, Douglas K. Cornett |
2014-06-17 |
| 8646492 |
Device for loading catalyst into a reactor vessel |
Clifford L. Johns, Dennis Patrick McAndrews |
2014-02-11 |
| 7878225 |
Vacuum attachment and method |
Clifford L. Johns, Daniel D. Sympson, August M. Dattilo, III, Manfred Schmidt |
2011-02-01 |
| 7861875 |
Seal for tube |
Clifford L. Johns, Daniel D. Sympson, August M. Dattilo, III, Manfred Schmidt |
2011-01-04 |
| 7836919 |
Device for loading chemical reactor tubes |
Clifford L. Johns, Daniel D. Sympson, August M. Dattilo, III, Manfred Schmidt |
2010-11-23 |
| 7765948 |
Device and method for identifying the row number on a tubesheet |
Clifford L. Johns, Guillermo Camoriano, Manfred Schmidt, Samuel Richard Gates, Wayne Howard Franklin |
2010-08-03 |