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Virtual Patent Marking (US Patents)

The following products are protected by patents in the U.S. and elsewhere. This website is provided to satisfy the virtual patent marking provisions of various jurisdictions including the virtual patent marking provisions of the America Invents Act and to provide notice under 35 U.S.C. §287 (a). The following list of products and patents may not be all inclusive. For example, some products listed here may be covered by patents in the United States and elsewhere that are not listed, and other products not listed here may be protected by one or more patents in the United States and elsewhere. The following list of products may be covered by one or more of the following U.S. Patents. Shaffer U.S. Registered Trademarks are symbolized by ®


Agitator & Dual Agitator Assembly for use with Industrial Mixers (TRIPLE SWEEP)10,034,479USA
Agitator Shaft Seal Assembly for Industrial Mixers10,174,842USA
Bowl Cooling Jacket for Industrial Mixers – VERTECH9,968,102 & 9,894,904USA
Refrigerated Agitator Assembly for Mixers9,295,956USA
Mixing Bowl Cooling Jacket with Turbulence Inducing Structures8,708,549USA


Shaffer1320729Madrid Protocol – Czech Republic, Mexico, and Japan
Eagle Eye4,136,562USA
An image of the fme continuous pan cleaner by Shaffer Mixers


Design Innovations

Shaffer’s innovative designs have moved the entire industry forward. Our commitment to innovation has resulted in designs that provide intelligent solutions to bakeries around.