Heinrich Planck, Christoph Elser, Albrecht Grieben, Werner Ege: Process for the preparation of bone cement. Merck Patent Gesellschaft mit beschraenkter Haftung, Millen White & Zelano, September 8, 1992: US05145250 (97 worldwide citation)

A process for the preparation of bone cement for subsequent introduction into the cavity of a bone serving to receive a prosthesis. The components serving for the production of the bone cement are introduced into a cartridge and mixed together during a mixing phase and subsequently undergo a further ...

Harry Hodson: Mixing and agitating device. Arthur W Fisher III, September 30, 1980: US04225247 (88 worldwide citation)

A mixing and agitating device specifically designed to mix a dry solid particle material such as cement with a liquid such as water in a high energy manner so as to provide a predetermined degree of hydration above that normally required in the formation of concrete or like cementitious material. A ...

Simon Hodson: Apparatus for producing cement building material. Spensley Horn Jubas & Lubitz, July 31, 1990: US04944595 (84 worldwide citation)

A cement paste generator produces a paste with improved workability. The cement paste generator includes a housing, a shaft and a series of blades and baffles which have critical dimensions.

Joseph E Musil, Douglas A Wilson: Portable concrete mixer with weigh/surge systems. Cedarapids, Donald R Schoonover, September 16, 1997: US05667298 (83 worldwide citation)

An improved concrete mixing plant is mounted on several mobile chassis to provide portability. The plant includes a horizontally oriented, internally urethane coated mixing drum having spiral and lift flights such that the rate of discharging concrete material is controllable without altering the di ...

Terrance P Fenelon: Silo and delivery system for premixed dry mortar blends to batch mixers. Merchant Gould Smith Edell Welter & Schmidt, September 11, 1990: US04956821 (79 worldwide citation)

An improved silo and delivery system for efficiently handling dry mortar-blend compositions at construction sites is disclosed. Mortar-blend compositions are premixed to desired specifications and packaged at remote mixing stations into large bag containers that are transported to the construction s ...


James D Brock: Control system for aggregate delivery system. Astec, Jones Thomas & Askew, September 16, 1980: US04222498 (77 worldwide citation)

Apparatus for measuring out material from a cold feed bin for use with a drum mix plant. The apparatus comprises a plurality of cold feed bins supported on a plurality of legs above a frame. Each leg of the bins rests upon a load cell which thereby measure the weight of the bin and material containe ...

Billy J Hurst Jr, Kenneth M Waters Jr: Programmable modular system providing controlled flows of granular materials. Bulk Tank, Lowe Price LeBlanc & Becker, May 9, 1995: US05413154 (72 worldwide citation)

Apparatus and method are provided for storing selected quantities of granular materials, for programmable extraction in selected proportions and at selected rates, for delivery to a changeable location through a flexible auger-driven common delivery conduit. Individual containers containing specific ...

Harry Hodson: Rotary mill. Concrete Technology Corporation, Spensley Horn Jubas & Lubitz, December 26, 1989: US04889428 (71 worldwide citation)

A rotary mill to colloidalize a premixed mortar in a high energy manner so as to increase the degree of hydration comprising a hollow collector casing having a feed inlet to receive the premixed mortar and a discharge outlet for the mixed product, a pair of counterrotating members cooperatively form ...

Mark E Dillon: Process of producing a composite macrostructure of organic and inorganic materials. Bio Med Sciences, Paul & Paul, August 22, 1989: US04859383 (71 worldwide citation)

A composite self-supporting flexible agglomerated macrostructure is described which includes (1) a matrix of unfibrillated polytetrafluoroethylene resin and addition curable silicone and (2) particulate material including hydroxyapatite and/or tricalcium phosphate uniformly distributed throughout sa ...