Resources Contact Us Home Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE     Inventor: Ernst; Rudolf Address: Munich-Solln, DT No. of patents: 2 Patents: Patent Number Title Of Patent Date Issued 4012025 Mold for plastics, particularly multi-component plastics injection mold having blind channel March 15, 1977 A mold including a blind channel connected to the sprue runner so that the first material entering the mold will be trapped in the blind channel. 3964731 Mixing apparatus for multi-component plastics, particularly polyurethane June 22, 1976 A mixing apparatus including a mixing chamber with a reciprocating valve piston and a separate "recycle" chamber with a reciprocating grooved plunger. Piston and plunger are controlled in unison by a piston and cylinder assembly. In the "open" position of the valve piston pressurized       Recently Added Patents Interactive reward system and method Upper for a shoe Acoustic drain Method for electrochemically fabricating three-dimensional structures including pseudo-rasterization of data Financial accounting methods and systems to account for assets and liabilities Electronic blurring correction apparatus Underwater sediment evacuation system   Randomly Featured Patents Refrigerator Zirconia sol and method for making the same Process for imparting wet strength to paper Method of making a reinforced wear-resistant liner Submersible Compounding heat cured rubber compositions Thin film oxide dielectric structure and method Methods of code programming a mask ROM Separation of para-xylene Claim tag assembly © 2006. PatentGenius. All Rights Reserved.