| 72447196 | CE | COMBUSTION ENGINEERING, INC. | 1010748 |
| 72010511 | BRANFORD | COMBUSTION ENGINEERING, INC. | 0651435 |
| 81006592 | C-E EHRSAM | Combustion Engineering, Inc. | 1006592 |
| 81006056 | C-E NATCO | Combustion Engineering, Inc. | 1006056 |
| 80999164 | C-E GLASS | Combustion Engineering, Inc. | 0999164 |
| 80996454 | SIDEWINDER | Combustion Engineering, Inc. | 0996454 |
| 80993622 | C-E NATCO | Combustion Engineering, Inc. | 0993622 |
| 80988683 | C-E NATCO | Combustion Engineering, Inc. | 0988683 |
| 80987355 | C-E NATCO | Combustion Engineering, Inc. | 0987355 |
| 80985427 | FERRODYNE | Combustion Engineering, Inc. | 0985427 |
| 80357944 | Serial No. 80357944 | Combustion Engineering, Inc. | 0357944 |
| 74248475 | QUANTUM 3000 | COMBUSTION ENGINEERING, INC. | 1800489 |
| 73797542 | EXPERT SOLUTIONS. TODAY. | COMBUSTION ENGINEERING, INC. | 1620446 |
| 73765057 | PASCE | COMBUSTION ENGINEERING, INC. | 1552670 |
| 73749914 | PLANT DRAFT | COMBUSTION ENGINEERING, INC. | 1595835 |
| 73549079 | SAFE SCAN | COMBUSTION ENGINEERING, INC. | — |
| 73486341 | BOTTOMS UP | COMBUSTION ENGINEERING, INC. | 1366686 |
| 73432775 | HI-LUMITE | Combustion Engineering, Inc. | 1318140 |
| 73422858 | NIP & TUCK | Combustion Engineering, Inc. | 1281576 |
| 73398846 | METALOK | Combustion Engineering, Inc. | 1264269 |
| 73398844 | WARCO XX | Combustion Engineering, Inc. | 1296236 |
| 73398432 | MULCOA | Combustion Engineering, Inc. | 1308998 |
| 73398431 | MULLITEX | Combustion Engineering, Inc. | 1299514 |
| 73394586 | CERMA-DYNE | Combustion Engineering, Inc. | 1292872 |
| 73394575 | ARCOA | COMBUSTION ENGINEERING, INC. | — |
| 73394572 | CHEMAL | Combustion Engineering, Inc. | 1296226 |
| 73389965 | BF 85G | COMBUSTION ENGINEERING, INC. | — |
| 73389964 | BF 60G | COMBUSTION ENGINEERING, INC. | — |
| 73389962 | BF 90G | COMBUSTION ENGINEERING, INC. | — |
| 73383496 | ARCO-SPRAY | COMBUSTION ENGINEERING, INC. | — |
| 73383495 | ARCO-PERM | COMBUSTION ENGINEERING, INC. | — |
| 73383494 | ARCO-PART | COMBUSTION ENGINEERING, INC. | — |
| 73381750 | QUIC-SEAL | COMBUSTION ENGINEERING, INC. | — |
| 73344220 | MOD-U-LIFT | Combustion Engineering, Inc. | 1218391 |
| 73329988 | SOLAR POWER IS SUNSATIONAL | COMBUSTION ENGINEERING, INC. | — |
| 73319121 | CSR | Combustion Engineering, Inc. | 1205461 |
| 73319120 | HR-B | Combustion Engineering, Inc. | 1205460 |
| 73319119 | MULLIFLUX | Combustion Engineering, Inc. | — |
| 73319118 | MIX 71 | Combustion Engineering, Inc. | 1205459 |
| 73319117 | CEZ | Combustion Engineering, Inc. | 1205458 |
| 73319116 | INSULFLUX | Combustion Engineering, Inc. | 1197926 |
| 73286526 | POLY-DRAW | Combustion Engineering, Inc. | 1229067 |
| 73254392 | SYSTEM 80 | Combustion Engineering, Inc. | 1175027 |
| 73244741 | NATIONAL LTX | Combustion Engineering, Inc. | 1180849 |
| 73230947 | KOROHIBIT | Combustion Engineering, Inc. | 1197541 |
| 73202196 | COALMAG | COMBUSTION ENGINEERING, INC. | 1134931 |
| 73187953 | ELECTR-O-PROBE | Combustion Engineering, Inc. | 1151530 |
| 73155765 | CHEMSWEET | COMBUSTION ENGINEERING, INC. | 1099130 |
| 73149940 | TEMPROTEC | COMBUSTION ENGINEERING, INC. | 1097092 |
| 73148268 | "SAVE YOUR ENERGY...TALK TO US" | COMBUSTION ENGINEERING, INC. | 1114514 |