Edwin l wiegand co elements
WebEdwin L Wiegand Co Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) 1950-12-30 Filing date 1950-12-30 Publication date 1954-07-20 1950-12-30 Application filed by Edwin L Wiegand Co filed Critical Edwin L ... WebMar 29, 2024 · Edwin L. Wiegand was an engineer from Pittsburgh. Working out of a makeshift lab in his family's dining room, Wiegand "experimented with ways to encapsulate the fragile and sometimes dangerous 'open coil' heat technology of the time in a dielectic." ... Chromalox heating elements helped to keep men and women from freezing during the …
Edwin l wiegand co elements
Did you know?
WebEdwin L Wiegand Co Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) 1947-03-22 Filing date 1947-03-22 Publication date 1948-11-30 1947-03-22 Application filed by Edwin L Wiegand Co filed Critical Edwin L ... http://waywiser.fas.harvard.edu/people/7143/edwin-l-wiegand-company
WebWith the Thin Blade equipment can be designed with more wattage in less linear space than a conventional element. Hopper Heaters - Tubular Heaters. High Temperature Modular Hopper Heaters can be made to order to your hopper specifications. Low watt densities ensure long life while providing operating temperatures of 250°F (120°C) to 350°F ... WebEdwin L. Wiegand, a self-taught engineer from Pittsburgh, PA, had always shown an intense curiosity in electrical conductivity. In his makeshift laboratory off his family’s …
WebEdwin L. Wiegand MILESTONES 1915 OUR TECHNOLOGY ELECTRIC HEATING ELEMENTS E.L. WIEGAND RECEIVES PATENT E.L. Wiegand receives a patent for a flat iron heating element 1917 OUR … WebElectric hot plate used by Louisan Mamer during cooking demonstrations conducted by the Rural Electrification Administration. Unit includes removable rack and power cord. Tag …
WebEdwin L Wiegand Co Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) 1959-03-30 Filing date 1959-03-30 Publication date 1962-01-16 1959-03-30 Application filed by Edwin L Wiegand Co filed Critical Edwin L ...
WebEdwin L Wiegand Co Original Assignee Edwin L Wiegand Co Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal … chef guauThe company traces its origin to 1915 when a Pittsburgh engineer, Edwin L. Wiegand, received a patent for a resistance heating element embedded in an insulated refractory enclosed in a metal sheath. This electric heating method would eventually be applied to home cooking and heating as well as manufacturing processes. Chromalox incorporated in 1917, with the company's first order for a strip heater used in a product that became the modern household clothes iron. The produc… fleetratesWebWIEGAND CO EDWIN L . Primary Class: 219/544. Other Classes: 338/238, 338/240, 338/276, 501/134 . International Classes: F24C15/10 ... as little as approximately 0.07 to … fleetrates.comWebEdwin L Wiegand Co Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) 1965-01-13 Filing date 1965-01-13 Publication date 1968-06-11 1965-01-13 Application filed by Edwin L Wiegand Co filed Critical Edwin L ... chef gunnar thompsonWebOf Wiegand's fourteen claims in the 330 patent, validity and infringement of claims 1 to 12 were in issue. Since entry of the decree below claims 1, 3, 5, 8, 9 and 12 were held invalid by the District Court of the Eastern District of Pennsylvania in the case of Edwin L. Wiegand Co. et al. v. Howell E. Trent Co., 39 U.S., P.Q., 158. chef gulam rasoolWebEDWIN L. WIEGAND COMPANY. Edwin L. Wiegand Company is a Pennsylvania Domestic Business Corporation. The company's filing status is listed as Withdrawn - … fleet rated meaningWebelements heating arms Prior art date 1941-08-23 Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) ... 1942-12-09 Application filed by Edwin L Wiegand Co filed Critical Edwin L Wiegand Co 1942-12-09 ... fleet rated coolant