WebbUS patent 871,436 Pipe Wrench was issued to Roy Parmelee of Chicago, IL. It was granted on 11/19/1907. The fourth patent for the PARMELEE GIRTH GRIP non-marring pipe wrench. The patent is an improvement on pat. no. {648,706}, with a focus on the means o Webb11 juni 2014 · Justia Patents With Adjustment Means US Patent for Pipe wrench Patent (Patent # 9,440,337) Pipe wrench . Jun 11, 2014. A pipe wrench includes a body and a first jaw has one end fixed to the body, and a second jaw is slidably located in a first recess defined in the top of the body and is located beneath the first jaw. A resilient ...
JON ZIMMERS ANTIQUE TOOLS, Wrenches and …
Webbpipe belt wrench stud Prior art date 1899-04-20 Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and … WebbBuy At Auction. 0001. BEMIS & CALL CO. COMB / BILLINGS MADE IN, 0002. W & B CO MADE IN USA (with a diamond logo), 0003. Unmarked - - 11.5" combination rack type, … gang on definition
US2407990A - Pipe wrench - Google Patents
WebbHAMMOND MFG. CO., BOSTON, MASS, PIPE AND NUT WRENCH, Patented April 3, 1900. The patent date is cast in the handle. A small, unusual quick-adjust wrench. 7 inches overall length ... TROJAN WRENCH, L. A. CAL., … WebbThis invention relates to plumbers tools, the main object being to provide a hand tool by means of which broken pieces of pipe may be readily removed from within pipe fittings … In 1888, JP took out a patent on the adjustable pipe wrench. Its jaws could be adjusted so that it would fit all pipes, irrespective of size. The pipe wrench quickly became known all over the World. Adjustable spanner Nuts and screws of different shapes and sizes also required different sorts of tool. Visa mer As a young man, Johan Petter worked in railway construction and after his national service he got a job at Munktells Mekaniska Verkstad in Eskilstuna. This was when he designed his first invention, a lubricating nipple — … Visa mer In 1883, JP’s family moved to the USA, but he remained in Sweden and made plans to start his own company. In 1887 he bought a waterfall outside Enköping that provided power to his newly-started company, Enköpings Mekaniska … Visa mer Nuts and screws of different shapes and sizes also required different sorts of tool. The solution to the problem was the adjustable spanner, Johan Petter´s second world famous invention. However, he was not the original … Visa mer In JP’s workshop there was always a set of pipe wrenches. Each wrench fitted a particular size of pipe so, for every job, the plumber had to take all the pipe wrenches in a trolley. “I only had … Visa mer gangoly architektur