Ian A Shanks, Alan M Smith, Claes I Nylander: Device for use in chemical test procedures. Internationale Octrooi Maatschappij Octropa, Cushman Darby & Cushman, August 25, 1992: US05141868 (652 worldwide citation)

A specifically-reactive sample-collecting and testing device possessing a cavity or cavities each having a dimension small enough to enable sample liquid to be drawn into the cavity by capillary action, wherein said cavity includes an electrode structure for making measurements of one or more electr ...

Cornelius J Schram: Manipulation of particles. Internationale Octrooi Maatschappij Octropa, Cushman Darby & Cushman, May 10, 1988: US04743361 (115 worldwide citation)

Separation of particles types from a mixed population of particles in a liquid is obtained in an ultrasonic wave produced by interference between the outputs from spaced ultrasonic sources (115,118). One or more selected particle types may be separated by displacement axially along the standing wave ...

Christopher J C Edwards, David A Hitchen, Martin Sharples: Porous carbon structures and methods for their preparation. Internationale Octrooi Maatschappij Octropa, Cushman Darby & Cushman, October 4, 1988: US04775655 (79 worldwide citation)

This invention relates to the production of a novel, porous, carbon structure. A stabilised porous polymer comprising cavities joined by interconnecting pores is heated in an inert atmosphere to yield a stable, porous, carbon structure having the inherent structure of the original stabilised polymer ...

Anton J Sein, Johan Reitberg, Johan M Schouten: Powder coating composition employing mixture of polyepoxide resin with modified polyester resin. Internationale Octrooi Maatschappij Octropa, Pollock Vande Sande & Priddy, April 3, 1979: US04147737 (63 worldwide citation)

Thermosetting coating compositions for powder coating processes, having a good powder stability, comprise a mixture of 4-25 wt % of a polyepoxide resin, the average molecule of which contains at least two epoxy groups, and 75-96 wt % of a solid modified polyester resin having an acid number of 30-10 ...

Hornstra Gerard: Method and apparatus for determining the degree of platelet aggregation in blood. NV Internationale Octrooi Maatschappij Octropa, Kaufman & Kramer, August 19, 1975: US3900290 (48 worldwide citation)

The apparatus consists of a filter which allows blood cells to pass but precludes passage of aggregated platelets. A sample supply of blood is fed via the filter to a suction pump by tubing, and the pressure drop is measured across the filter.

Hermann Meili: Floor-cleaning machine. Internationale Octrooi Maatschappij Octropa, Cushman Darby & Cushman, May 26, 1987: US04667364 (44 worldwide citation)

The invention pertains to floor cleaning machines in which the fresh water and product dosing operation is controlled as a function of the operation of the driving motor such that the dosing per unit of floor area is maintained at an operator-controllable level. Improved economy of water, product an ...

Friedrich F von und zu Aufsess, Gunter Huxhorn, Hans Pohl, Wolfgang Sasse: Process and apparatus for the simultaneous biaxial stretching of a plastic film. Internationale Octrooi Maatschappij Octropa, Cushman Darby & Cushman, May 18, 1982: US04330499 (43 worldwide citation)

In an apparatus for the biaxial, simultaneous stretching of a flat film web from particularly polypropylene, the edges of the film web 1 are engaged by grippers 3, which in the stretching zone 9 are driven by divergent threaded spindles 5, and at least part of the stretching in longitudinal directio ...

Anthony Nelson Sharpe: Safety valves for protection against liquid contamination. N V Internationale Octrooi Maatschappij Octropa, Kaufman & Kramer, September 28, 1976: US03982538 (42 worldwide citation)

A safety valve which may be used in a pipette or in medical or biological equipment such as collection bottles, employs a carrier which is inserted in a flow line and contains a material which swells in the presence of an unwanted fluid to block the line and provide protection against contamination.

Jan Tjaden: Heat transfer element. N V Internationale Octrooi Maatschappij OCTROPA, Barry Kramer, May 16, 1978: US04089324 (38 worldwide citation)

A heat transfer element having a plurality of parallel channels is formed from at least two interconnected metal foils or sheets, at least one of which is corrugated and at least one of which is flat, wherein the surfaces of the foils or sheets facing each other are coated with a weldable or sealabl ...

Johannes W Smits, Franciscus A Timmermans: Liquid smoke concentrate. Internationale Octrooi Maatschappij Octropa, Cushman Darby & Cushman, November 16, 1982: US04359481 (34 worldwide citation)

A liquid smoke concentrate having a 3,4-benzpyrene- and 1,2,5,6-dibenzanthracene content of less than 0.2 nanograms, having a tar content (calculated as polycyclic aromatic hydrocarbons) below 1 microgram/kg, and a phenolic compounds content (calculated as phenol) of 0.90-1.60 g/l, preferably 1.0-1. ...