trademarks were found for owners matching the name NCH Corporation.| # | Class | status | |
|---|---|---|---|
| 301 |
S:72316218
M:M MANTEK 
O:MANTEK CORPORATION, NCH CORPORATION |
6, 15, 52 | Dead |
| 302 |
S:72316219
M:BIG TEX O:MANTEK CORPORATION, NCH CORPORATION |
52 | Dead |
| 303 |
S:72325527
M:CCR-22 O:MANTEK CORPORATION, NCH CORPORATION |
52 | Dead |
| 304 |
S:72328144
M:LUBREASE O:NATIONAL CHEMSEARCH CORPORATION, NCH CORPORATION |
15 | Registered |
| 305 |
S:72331880
M:CD DYNA SYSTEMS 
O:DYNA SYSTEMS, INC., NCH CORPORATION |
6, 13, 15, 52 | Dead |
| 306 |
S:72111423
M:CHEM-AQUA O:Chem-Aqua, Inc., NATIONAL CHEMSEARCH CORPORATION OF TEXAS, NCH Corporation |
6 | Dead |
