| DISTILLATION DIAGNOSTICS TRACERCO US LLC
74078970 16 Jul 1990 | on 24 Oct 2023
| engineering services; namely, recording and evaluating for others perf... Class 042 Class 042 Computer & Software Services & Scientific Services engineering services; namely, recording and evaluating for others performance data obtained during the carrying out of processes involving contacting floing streams of fluids of different phases to effect exchanges between the fluids | | | PROCESS DIAGNOSTICS TRACERCO US LLC
74078968 16 Jul 1990 | on 30 Jun 2023
| engineering services; namely, identifying and evaluating performance a... Class 042 Class 042 Computer & Software Services & Scientific Services engineering services; namely, identifying and evaluating performance abnormalities of mass transfer columns of others by use of radioactive tracers during operation of the columns | | | TRU-SCAN TRACERCO US LLC
73659019 29 Apr 1987 | on 31 Dec 2017
| PROVIDING RADIATION SCANNING AND DIAGNOSTIC STUDIES OF DISTILLATION TO... Class 042 Class 042 Computer & Software Services & Scientific Services PROVIDING RADIATION SCANNING AND DIAGNOSTIC STUDIES OF DISTILLATION TOWERS | |