Edwin l wiegand co elements
WebWIEGAND 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 … Web1917 - 1968. View All Objects. This company is perhaps better known as Chromalox. Chromalox became a division of the Emerson Electric Co. in 1968. hromalox, Inc. …
Edwin l wiegand co elements
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The 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… WebAbstract: My invention relates to electrical resistance heating units or elements of various types comprising a resistor disposed within and insulated from a metal sheath. The …
WebE.L. Wiegand received a U.S. patent for a flat iron electric heating element in 1915. In 1917 he started the E.L. Wiegand Corporation operating under the name Chromalox. … WebOct 26, 2024 · EDWIN L. WIEGAND CO. The color of the photo may vary from the actual product due to translation and reproduction limitations of photography. Office hours. JOBCODE FLORIDA . SHELF 51-1570(1) .
WebSep 28, 2024 · Edwin L. Wiegand was a successful entrepreneur and inventor who made Reno his home in 1971. He died in 1980 at the age of 88, and the E. L. Wiegand … 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 dining room, Wiegand experimented with ways …
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 analysis and makes no representation as to the accuracy of the date listed.) ... Tappan Co The: Range element terminal block and bracket assembly US3617703A (en) * 1970-08 …
Web1965-01-26 Application filed by Edwin L Wiegand Co filed Critical Edwin L Wiegand Co 1965-01-26 Priority to US428196A priority Critical patent/US3384510A/en ... The heating … flights to alabama southwesthttp://waywiser.fas.harvard.edu/people/7143/edwin-l-wiegand-company cherub earrings with pearlsWebelements 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 ... cherub ebook downloadWebTopic (Romaine term) Appliances (household) Foods and beverage products and processing equipment (including brewing; distilleries; beer; wine; etc.) Heating; … flights to alabama may 27th 2018WebOf 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. cherub electricalsWebIn 1917, electrical engineer of US named Edwin L. Wiegand invented the fist heating tube with metal sheath, and set up a factory to manufacture tubular heater. In 1925, Japanese … cherub english versionWebMar 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 … flights to alabama university