Cattron Holdings Inc. is a leading provider of advanced engine control technology (formerly from LOFA Industries) that can be found in retail products and in certain products offered by our commercial partners doing business as Cattron. In April 2020, Harbour Group, the parent company of Cattron and LOFA, merged the two companies to form a comprehensive control solutions platform company.

This page is intended to serve as “virtual patent marking” notice under 35 U.S.C. § 287(a).

Some model numbers may not be associated with a corresponding property. The patent process is dynamic and the content of this list and association between products and properties may change due to events including, but not limited to: filing, publication, issuance, licensing, product changes, expiration, abandonment, and other circumstances. The content of this list is updated from time to time but may not be up to date at the specific time you visit this link. Patent applications may be pending or published and patents may have issued in the United States and elsewhere which are not identified on this list. This list may be unavailable from time to time without notice as part of maintenance or an unintended outage. Efforts will be made to maintain this link page active. This list might not be all inclusive and other products not listed here may be associated with one or more properties in the United States or elsewhere. Absence of any property from this list does not prevent enforcing any and all legal rights associated with the property.

Retail Products

Armored Transducer








Armored Level Transducer

CANplus™ CP640c

CANplus™ CP800

CANplus™ CP900

CANplus™ CP750-E

CANplus™ CP1000




Patent Pending

Patent Pending

Patent Pending

Patent Pending

Patent Pending

Patent Pending