1
Gilbert L Wedekind: Method and apparatus for estimation of thermal parameter for climate control. Reising Ethington Barnard Perry & Milton, March 30, 1993: US05197666 (96 worldwide citation)

A parameter estimation system (16) automatically determines the relevant thermal and thermodynamic parameters which govern the energy consumption of the climate control system (18) within an enclosure (30). The method of the parameter estimation (16) assembly, using the continuous measurement of var ...


2
Staudte Juergen H: Microresonator packaging and tuning. Statek Corporation, October 23, 1973: US3766616 (73 worldwide citation)

A piezoelectric tuning fork microresonator advantageously is mounted in a package having a transparent region through which the microresonator can be tuned using a laser beam selectively to remove portions of weights provided on the tuning fork tine ends. The laser, located external to the package, ...


3
Kanoh Chiyuki: Airtightness testing apparatus for watches.. Kanoh Chiyuki, August 20, 1980: EP0014472-A1 (66 worldwide citation)

A support block (20) and a guide member (22) having a seat (24) to carry a watch (25) to be examined are attached to a post (18) at a vertical space from each other, the post being set up inside an airtight container (10) which is pressurized or decompressed. A light emitting element (31) and a ligh ...


4
Haenni Walter, Perret Andre: Micromechanical element and process for its manufacture. Suisse Electronique Microtech, September 18, 1996: EP0732635-A1 (62 worldwide citation)

A micro-mechanical component is cut out from a base plate (20) made of a first crystalline material by anisotropic attack. This process takes effect in the direction of the thickness of the plate using a gas excited by plasma, surrounding a mask (30) of the required shape mounted above the plate. Th ...


5
Charles L Martin: Gutter construction. Reising Ethington Barnard Perry & Milton, April 3, 1990: US04912888 (42 worldwide citation)

A gutter device (10) for capturing and channeling run-off rain water from a roof (12). The gutter device (10) comprises a vertical back wall (16), a bottom wall (18) extending outwardly from the back wall (16) and a front wall (20) extending upwardly from the bottom wall (18) to define a generally U ...


6
Loubier Robert J: Integral rotor and gear assembly. March 18, 1975: US3872334 (36 worldwide citation)

An integral rotor assembly for a dynamoelectric machine fabricated of a mixture of thermoplastic powder and barium ferrite particles in such proportion that the finished assembly has predetermined physical and magnetic strengths. Typically, a gear is molded as an integral part of a magnetic rotor pe ...


7
Thierry Conus, Truempy Kaspar: Balance-spring resonator spiral and its method of fabrication. Eta Mft Horlogere Suisse, August 11, 2004: EP1445670-A1 (32 worldwide citation)

The spring (10) has windings that are made of a single band extending from an inside curve (11) to an outside curve (14). The inside curve is extended by a self blocking washer (17) that allows the spring to be fixed on axis (9) of a balance-wheel. A rectangular section having a non-uniform thicknes ...


8

9
Lavrinenko Vyacheslav Vasilievich, Miroshnichenko Anatoly Petrovich, Khraschevsky Vitaly Alexeevich: Method of making a piezoelectric element. Holman & Stern, January 1, 1974: US3781955 (27 worldwide citation)

The present invention relates to the instrument manufacturing industry and, more particularly, the invention relates to piezoelectric elements made in the form of a spiral, to the method of their making and to apparatus that make use of said elements, for example piezoelectric relays, piezoelectric ...


10
Kohlhagen Walter: A.c. motor drive circuit. June 19, 1973: US3740629 (25 worldwide citation)

A synchronous self-starting motor is driven with constant rotational velocity in response to current fed to an excitation winding thereof from a D.C. power source. Switch means is responsive to gating voltages derived from a time reference source having first and second consecutive time periods. Dur ...



Click the thumbnails below to visualize the patent trend.