The following registered trademarks are owned by Koch Heat Transfer Company LP in the United States and may be registered in other jurisdictions.
- ALCO®
- BROWN FINTUBE®
- LOK-FLANGE®
- TWISTED TUBE®
- BOS-HATTEN®
The following trademarks are owned by Koch Heat Transfer Company LP in the United States and may be registered in certain jurisdictions.
- LOK-BAFFLE™
- ZR CLOSURE™
- HELI-CORE™
- ALCOTWIN™
The following trademarks are owned by Koch Industries, Inc. in the United States and may be registered in certain jurisdictions.
All other trademarks that appear are the property of their respective owners.
- TAPER-LOK® is a registered trademark of Taper-Lok Corporation