Patents by Inventor Dan C. Renziehausen

Dan C. Renziehausen has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 7112030
    Abstract: A roll off container hoist with a front retractable loading frame includes a hoist with a break or discontinuity of the loadable frame structure at a forward end of the hoist. The roll off container hoist is mounted on a vehicle having hydraulic circuits for operating the hoist. The hoist includes a main hoist frame pivoted to a vehicle frame at a rear pivot point. The hoist includes a main lift cylinder attached to the vehicle frame and the main hoist frame for pivoting the main hoist frame to the loading/unloading position. The hoist includes an extension frame slidably coupled to the main hoist frame and extendable there-from that is loadable at any dump angle.
    Type: Grant
    Filed: April 15, 2004
    Date of Patent: September 26, 2006
    Inventor: Dan C. Renziehausen