Patents
The following Watlow products are protected by patents in the U.S. and elsewhere. This website is provided to satisfy the virtual patent marking provisions of the America Invents Act and is intended to serve as notice under 35 U.S.C. §287(a). Additional patents may be pending in the U.S. and elsewhere.
FLUENT™ In-Line Heater
 | Part Numbers | U.S Patent Numbers |
| Part Numbers starting with “FL” | 9,029,742 | |
| 7,361,869 | ||