1
Thomas F Bailey, Raymond A Todd Jr: Mud saver valve with replaceable inner sleeve. Drilex Systems, Edgar A Zarins, Malcolm L Sutherland, October 16, 1990: US04962819 (114 worldwide citation)

A mud saver valve for insertion within the drill string to retain mud in the drill pipe and prevent the mud column from flowing past the valve when pumping is interrupted. The valve body has a tubular body and a piston having an axial passage for the flow of drilling mud. This piston is biased withi ...


2
Shimizu Masanori, Shimomura Yoko, Tamura Tetsushi, Nagai Hideo, Matsui Nobuyuki: Led lamp. Matsushita Electric, December 5, 2001: EP1160883-A2 (111 worldwide citation)

An LED lamp includes blue and red LEDs and a phosphor. The blue LED produces an emission at a wavelength falling within a blue wavelength range. The red LED produces an emission at a wavelength falling within a red wavelength range. The phosphor is photoexcited by the emission of the blue LED to exh ...


3
Tetsuo Matsuba, Yoshinori Kakuno: Bulb-type lamp and manufacturing method for the bulb-type lamp. Matsushita Electric Industrial, May 18, 2004: US06736526 (103 worldwide citation)

To provide a bulb-type lamp in which a globe is fixed to a case without a tilt, and a manufacturing method for the bulb-type lamp. The globe is bonded to a connector using a thermosetting resin, in a state where a neck part of the globe is inserted in a groove of the connector without contacting the ...


4
Lionel Monty Levinson, Alok Mani Srivastava, Steven Jude Duclos, Anil Raj Duggal: Decorative lighting apparatus with light source and luminescent material. General Electric Company, Toan P Vo, Noreen C Johnson, October 9, 2001: US06299338 (100 worldwide citation)

An exemplary lighting apparatus comprises a light source such as an LED, a transmissive body optically coupled to the light source, and at least one region of luminescent material formed on a portion of the transmissive body, the at least one region of luminescent material forming an ornamental desi ...


5
Voight Heinz Kurt Walter, Myers Robert Lee: Chemical lighting device to store, initiate and display chemical light. American Cyanamid Company, May 4, 1971: US3576987 (86 worldwide citation)

A device for providing chemiluminescent light from a chemical reaction of suitable compounds in the presence of a fluorescent compound, the device being a self-contained light unit, the device comprising an outer flexible, cylindrical, light transmitting container for one reactive composition, and a ...


6
Hisanori Kawakami, Kogo Endo: Light source device, illumination device liquid crystal device and electronic apparatus. Seiko Epson Corporation, Harness Dickey & Pierce, April 26, 2005: US06883934 (85 worldwide citation)

A light source device 41A, 41B or 41C comprising a lens 44A, 44B or 44C which receives light from a light emitting device 43 such as LED. The lens 44A is a lens having the property that the directivity of exiting light in the Y direction is higher than the directivity in the X direction perpendicula ...


7
Crawford Ian Lennox: Light bulb with a plastic bulb mounting portion and led light source.. Crawford Ian Lennox, July 26, 2000: GB2345954-A (78 worldwide citation)

A light bulb which uses light emitting diodes 2 encapsulated in a transparent material, which may be clear or coloured; wherein a bulb mounting portion 13 intended to enter the bulb receiving socket is formed from cast or moulded plastic. The same plastics material may be used to both encapsulate th ...


8
Shaffer Mark: Electroluminscent lamp. Shaffer Mark, March 13, 2002: GB2366610-A (77 worldwide citation)

A lamp comprises electroluminescent elements 1, 14 (preferably an LED) which radiate photons in the visible or UV region from a central core 15 to the surface 6. This light passes by multiple routes and through various optically active layers or particles 7,17, 18 and 19 that modify the original rad ...


9
David C Brown, Richard J Nelson, Titus A Casazza, Jay Kohoe: Laser flashlight. Alix Yale & Ristas, November 7, 2000: US06142650 (76 worldwide citation)

A laser flashlight employs a laser emitter disposed within a housing for emitting a coherent light along an optical axis toward the light emitting end of the housing. A power supply selectively applies electricity from a battery pack disposed within the housing to the laser emitter. An optical syste ...


10
William Streifer, Donald R Scifres, Gary L Harnagel: Diode laser arrangement forming bright image. Spectra Diode Laboratories, Thomas Schneck, May 2, 1989: US04826269 (76 worldwide citation)

A plurality of diode lasers is focussed onto a single region by arranging the diodes at equally spaced locations on a first arc. Each diode laser emits light in a slit-like pattern which is characterized by orthogonal axes. In a first group of cylindrical lenses, one associated with each diode laser ...



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