1
W Thatcher Ulrich, Harvey A Koselka, Aaron F Bobick, Michael H Benjamin: Interactive exercise apparatus. Tectrix Fitness Equipment, Test Hurwitz & Thibeault, November 25, 1997: US05690582 (499 worldwide citation)

An interactive exercise apparatus engages a user's mind and body. The apparatus comprises an exercise mechanism and a steering mechanism for manipulation by the user to achieve exercise and to indicate a direction of motion. The exercise mechanism can be, for example, the steps of a stair climbing s ...


2
Tso Yee Fan, Anish Goyal, Antonio Sanchez Rubio: High power, spectrally combined laser systems and related methods. Massachusetts Institute of Technology, Test Hurwitz & Thibeault, February 24, 2004: US06697192 (28 worldwide citation)

An external-resonator laser system having multiple laser elements is configured to permit each laser to undergo individual amplification notwithstanding optical beam combination. In this way, overall output power may be scaled in a desired fashion, depending on the selected characteristics of the op ...


3
Timothy M Brewer, Jeffrey L Peterson, John Sobr: Liquid cooled plasma arc torch system and method for replacing a torch in such system. Hypertherm, Test Hurwitz & Thibeault, June 3, 1997: US05635088 (4 worldwide citation)

A liquid cooled plasma arc cutting torch system includes a plasma arc torch, a torch receptacle and a cooling system. The torch is removably mounted to the receptacle. The cooling system includes a liquid storage tank, supply and return lines providing fluid communication paths between the tank and ...


4
John Gary Sousa: Multiple-beam, diode-pumped imaging system. Presstek, Test Hurwitz & Thibeault, April 24, 2001: US06222577 (2 worldwide citation)

A single laser crystal is driven with multiple pumping sources to obtain discrete, collimated outputs without substantial thermal crosstalk, so that the action of one pumping source does not adversely interfere with the action of another source driving the same crystal; that is, an imaging output em ...


5
Malcolm John Hulett, Lee Brain: Pontentiometer with an optical position encoder. Test Hurwitz & Thibeault, July 8, 2004: US20040130465-A1

A compact low profile fader has an elongate support (10) and a manually settable slider (12) mounted for linearly slidable relative to the elongate support (10). A drive transmission (16) operably interconnecting the slider (12) and a digital encoder (14) so that movement of the slider (12) produces ...


6
Roger John White: Light scattering particle characterisation apparatus and detection means suitable therefor. Test Hurwitz & Thibeault, June 17, 2004: US20040114140-A1

A particle characterisation apparatus (10) (FIG. 1) comprises a test cell (12) arranged to contain a sample, or test medium, (14) and an optical radiation source (16) aligned so that it emits radiation directed to be incident on the test medium (14). The optical radiation incident on the test medium ...



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