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™
All other trademarks that appear are the property of their respective owners.
- TAPER-LOK® is a registered trademark of Taper-Lok Corporation