1
Webster John L: Road construction and panel for making same. Reynolds Metal Company, January 7, 1975: US3859000 (247 worldwide citation)

A road construction comprised of a plurality of identical invertible polygonal panels with each panel comprising a plurality of single piece peripheral frame members fixed together to define a polygonal configuration and each of the members having a roughly L-shaped projection extending therefrom wh ...


2
Koester Waldemar: Method of constructing an expansion gap device and lost casing for such expansion gap. Friedrich Mauer Soehne, March 27, 1973: US3722379 (83 worldwide citation)

The present invention relates to a method of constructing an expansion gap between two structural members such as concrete slabs in roads or on bridges. First the concrete slabs are formed with a gap between two adjacent slabs whereupon a surface layer is applied to the slabs to cover the slabs as w ...


3
Edward L Cussler, Gunilla E Gillberg LaForce, Michael J Sansone, David K Schisla: Process for making microporous membranes having gel-filled pores, and separations methods using such membranes. Hoechst Celanese Corporation, K A Genoni, J M Brown, B H Davidson, November 3, 1992: US05160627 (76 worldwide citation)

A process is provided for modifying the properties of a hydrophobic microporous membrane which includes the steps of first providing a hydrophobic microporous membrane, treating it with a surfactant to render the membrane hydrophilic, wetting the membrane with an aqueous solution of a polyol such as ...


4
Hartmut Wolf, Norbert Czernawski: Swirl chamber. Howard C Miskin, February 23, 1988: US04726686 (75 worldwide citation)

A swirl chamber comprises a housing, which at its shell or side wall is connected to at least one tubular port having a center line which is approximately at right angles to and spaced from the axis of the housing. In the improved swirl chamber at least two tubular ports extend through the shell or ...


5
Tadahiro Uemura, Yoshio Himeshima, Masaru Kurihara: Interfacially synthesized reverse osmosis membrane. Toray, Austin R Miller, August 2, 1988: US04761234 (67 worldwide citation)

A semipermeable composite membrane comprising a microporous substrate and an ultra-thin membrane with which the substrate is coated, characterized in that the ultra-thin membrane is composed of a cross-linked aromatic polyamide and the cross-linked aromatic polyamide contains a tri- or higher functi ...


6
Charles Anthony, Charles A Portz: Releasable locking device. Rite Hite Corporation, Neuman Williams Anderson & Olson, August 11, 1981: US04282621 (64 worldwide citation)

A device is provided for releasably securing a parked vehicle to an adjacent structure. The device is provided with a first member hingedly mounted for movement between an operative mode and an inoperative mode. When the first member is in an operative mode the distal end thereof will releasably eng ...


7
Gerald A Wegmann Jr: Safety ramp and method for protecting hoses and conduits. Vaden Eickenroht Thompson Boulware and Feather, December 7, 1993: US05267367 (59 worldwide citation)

An apparatus and method have been developed for protecting a hose or other utility conduit from damage caused by traffic crossing over such conduits. Substantially rectangular ramp units with covered conduit channels are interlocked to form an elongate safety ramp with a channel running the length o ...


8
Chris Dumlao, Kristina Lauraitis, Les Fisher, Alan Miller, Eric Abrahamson: Modular polymeric matrix composite load bearing deck structure. Martin Marietta Materials, McDermott Will & Emery, October 22, 2002: US06467118 (56 worldwide citation)

A load bearing deck structure is made from at least one sandwich panel formed of a ploymer matrix composite material. The sandwich panel comprises a plurality of substantially hollow, elongated core members having side walls, the core members being provided with an upper facesheet and a lower facesh ...


9
Edward A Swink, Clayton M Smith, Carl L Murphy, Rick Lavelock: Folding ramp with pivotal leg support. ROM Corporation, Shook Hardy & Bacon L, March 25, 2003: US06536064 (55 worldwide citation)

A folding portable ramp is provided that includes a first platform section having a first end and a second end, and a second platform section having a first end and a second end. The first end of the second section is pivotally coupled to the second end of the first platform section, and the second ...


10
Jack Seitz: Modular ramp. August 30, 1994: US05341533 (52 worldwide citation)

A modular ramp comprises multiple sections which, except for height, have the similar cross-section and length along the ramp. Each modular section has a groove on one edge and a lip on the oppose edge which engage mating features of the preceding and following sections. In a preferred embodiment fo ...



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