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David J Owen, Colin G MacLaine: Spraying apparatus. Imperial Chemical, Cushman Darby & Cushman, October 22, 1985: US04549243 (45 worldwide citation)

Electrostatic spraying apparatus e.g. for graphic work, having a hand or finger held body carrying a nozzle to which the atomizing potential is applied from a high voltage generator. The nozzle is of the non-drip type, e.g. a capillary bore or a felt- or fibre-tip so that no liquid is dispensed ther ...


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Colin G MacLaine, David J Owen: Electrostatic spraying. Imperial Chemical, Cushman Darby & Cushman, December 24, 1985: US04561037 (27 worldwide citation)

Portable electrostatic spraying apparatus having a low stored energy wherein the capacitor of the high voltage circuit is formed by the capacitance between a lead connecting the high voltage generator output to the spray nozzle and a lead connected to the other side of the generator output.


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David J Owen: Containers. Imperial Chemical, Cushman Darby & Cushman, March 25, 1986: US04577803 (14 worldwide citation)

Apparatus, particularly electrostatic spraying apparatus, comprising a container and an enabling device wherein the container has a discharge valve that is held in the closed position by sprung member(s) that can be urged out of engagement, so as to permit valve actuation, upon connection of the ena ...


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David J Owen: Electrostatic spraying. Imperial Chemical, Cushman Darby & Cushman, September 23, 1986: US04613075 (7 worldwide citation)

A multinozzle electrostatic spraying apparatus wherein flow restrictors are provided in the liquid supply paths to the nozzles to render the liquid flow rates through the nozzles more uniform irrespective of the spatial orientation of the apparatus.


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Tryg R Jensen, Adam A Brodd, C Thomas Jennings, David J Owen: Composite magnetic recording media. SONY CORPORATION, K&L Gates, August 11, 2015: US09105294 (3 worldwide citation)

Composite magnetic recording media are described. A composite structure is a structure that is formed of multiple components. For example, a composite magnetic recording medium may include a substrate, an underlayer formed over the substrate, the underlayer defining a coating surface, and a magnetic ...


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Bruce H Edwards, Roger J Mandt, David J Owen, Brian D Brong, Nang T Tran, Douglas G Pedrotty: Heat curing and subsequent calendering to produce magnetic recording media. Imation, Eric D Levinson, January 1, 2008: US07314647

A method for producing a magnetic recording medium includes heat-curing a coated substrate to cure a non-magnetic back coat on the substrate and to cure a magnetic front coat on the substrate, and calendering the heat-cured coated substrate to produce the magnetic recording medium. The calendering o ...


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Tryg R Jensen, Adam A Brodd, C Thomas Jennings, David J Owen: Composite magnetic recording media. Imation, September 22, 2011: US20110229739-A1

Composite magnetic recording media are described. A composite structure is a structure that is formed of multiple components. For example, a composite magnetic recording medium may include a substrate, an underlayer formed over the substrate, the underlayer defining a coating surface, and a magnetic ...