1
Guenter Baur, Waldemar Greubel: Indicating device for illustrating symbols of all kinds. Siemens Aktiengesellschaft, Hill Gross Simpson Van Santen Steadman Chiara & Simpson, September 12, 1978: US04113360 (51 worldwide citation)

An indicating device for projecting symbols of all kinds characterized by a plate of fluorescent synthetic material having metallized edges to create a light trap for the fluorescent light created in the plate, a layer of light dispersing material mounted in spaced relation to a surface of the plate ...


2
Guenter Baur, Waldemar Greubel: Electro-optical display device with electro-optical light valves. Siemens Aktiengesellschaft, Hill Gross Simpson Van Santen Steadman Chiara & Simpson, March 6, 1979: US04142781 (35 worldwide citation)

Electro-optical display device which may operate either in a one or multi-color mode and utilizes electro-optical light valves for controlling transmittance of a passive light through the device characterized by passively amplifying the brightness of the display device with the addition of a light t ...


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Guenter Baur, Waldemar Greubel, Rudolf Knauer, Hans Krueger: Arrangement for optical transmission of communications. Siemens Aktiengesellschaft, Hill Van Santen Steadman Chiara & Simpson, September 16, 1980: US04222880 (13 worldwide citation)

An arrangement or device for optical transmission of communications including a light transmitter with an associated receiver characterized by the receiver having a light collecting body having an index of refraction greater than 1 and containing fluorescent materials which absorb the band of light ...


5
Guenter Baur, Waldemar Greubel, Hans Krueger, Alois Schauer: Display device for displaying light images on a dark background. Siemens Aktiengesellschaft, Hill Van Santen Steadman Chiara & Simpson, September 20, 1983: US04405210 (5 worldwide citation)

A display device for displaying bright images on a dark background, which device includes a liquid crystal cell having a liquid crystal layer with switchable zones between at least two optical states, a light trap in the form of a body exhibiting fluorescent particles and having light emergent windo ...


6
Guenter Baur, Waldemar Greubel, Hans Krueger, Alois Schauer: Display device for the representation of bright images on a dark background and a process for operation of the device. Siemens Aktiengesellschaft, Hill Van Santen Steadman Chiara & Simpson, January 13, 1981: US04244636 (2 worldwide citation)

A display device for representation of a bright image on a background which device has a light valve comprising a liquid crystal cell having a medium which can be switched zone-wise between at least two optical states and a light trap or body which consists of a material having an index of refractio ...


7
Gerd Stahlecker, Guenter Baur: Yarn withdrawal device for open-end spinning arrangements and method of making yarn using same. Maschinenfabrik Rieter, Crowell & Moring, May 30, 2006: US07051508 (1 worldwide citation)

A yarn withdrawal device for open-end spinning arrangements has a yarn withdrawal nozzle and a balloon-breaking insert which extends the axial channel of the yarn withdrawal nozzle. The yarn withdrawal nozzle has a curved contact surface for deflecting a yarn to be withdrawn and simultaneously rotat ...


8
Guenter Baur: Yarn withdrawal nozzle for an open-end rotor spinning arrangement and method of making same. Maschinenfabrik Rieter, Crowell & Moring, June 27, 2006: US07065951 (1 worldwide citation)

A yarn withdrawal nozzle for an open-end rotor spinning arrangement is provided which includes a spiral-shaped surface in the yarn deflecting area which extends essentially over the entire yarn deflecting area and designed as a continuous spiral without interruptions. In addition thereto, the nozzle ...


9
Guenter Baur, Hans Kohlmueller, Hans Krueger: Display device for optically representing information and a method of operation. Siemens Aktiengesellschaft, Hill Van Santen Steadman Chiara & Simpson, May 4, 1982: US04327970 (1 worldwide citation)

A display device and a method of using the display device characterized by a light trap which includes a member consisting of a material having an index of refraction greater than one and containing fluorescent particles and which light trap collects impinging ambient light by means of fluorescent s ...


10
Gerd Stahlecker, Guenter Baur: Yarn withdrawal device for open-end spinning arrangements and method of making yarn using same. Maschinenfabrik Rieter, Crowell & Moring, December 23, 2004: US20040255569-A1

A yarn withdrawal device for open-end spinning arrangements has a yarn withdrawal nozzle and a balloon-breaking insert which extends the axial channel of the yarn withdrawal nozzle. The yarn withdrawal nozzle has a curved contact surface for deflecting a yarn to be withdrawn and simultaneously rotat ...