Profile: W. W. Patterson Co. designs and manufactures towboats & barge winches. Our winches are used to hold the barges in tow to the towboat and to each other. We design lectric winches which feature NEMA 4 dings brakes, thermostatically protected motor and heavy-duty roller chain & sprockets. Our ratchet turnbuckles include spring activated pawl in handles and turnbuckle & is available galvanized for reduced maintenance in saltwater applications.