Resources Contact Us Home Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE     Inventor: R ocker; Robert Address: M ossingen, DE No. of patents: 1 Patents: Patent Number Title Of Patent Date Issued 5551535 Device for ensuring safety by preventing mechanically raised and lowered components from crashin September 3, 1996 A device for ensuring safety by preventing mechanically raised and lowered components, roll-up gates for example, from crashing down when the motor or transmission fails. The device is characterized by a friction clutch. The friction clutch comprises a stationary half and a moving half.       Recently Added Patents Method for manufacturing semiconductor device using polymer Transmission of call-related data in a communications system Securing electronic annotations Method of increasing yield in plants Real time data compression apparatus for a data recorder Symmetric connection detection Human monoclonal antibodies against interleukin 8 (IL-8)   Randomly Featured Patents Multiple piston expansion chamber engine Metal halide lamp with dual starting electrodes and improved maintenance Mask manufacturing method for forming an electron beam drawing pattern Method of making trichloromethoxybenzene Seat belt retractor Electrically-adjustable variable power rifle telescope Combined auger and tine unit for a garden tiller Analytical instrument optical element support system Tape measure Data communication apparatus which processes first and second communication data based on a determined relationship between the first and second communication data © 2006. PatentGenius. All Rights Reserved.