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UNITED STATES PIPE FOUNDRY

Overview
  • Total Patents
    397
  • GoodIP Patent Rank
    170,065
About

UNITED STATES PIPE FOUNDRY has a total of 397 patent applications. Its first patent ever was published in 1930. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets materials and metallurgy, mechanical elements and machines are CENTRAL FOUNDRY COMPANY, WOODWARD IRON COMPANY and AMERICAN CAST IRON PIPE CO.

Patent filings per year

Chart showing UNITED STATES PIPE FOUNDRYs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Jones Lawrence S 22
#2 Langenberg Frederick C 19
#3 Battle Billy J 13
#4 Montgomery William A 12
#5 Russell Norman F S 12
#6 Malizio Andrew B 12
#7 Boyles Alfred 11
#8 Weber Joe 11
#9 Malizio Andrew Batisto 10
#10 Arnold Paul L 10

Latest patents

Publication Filing date Title
WO2015089313A1 Separation-resistant pipe joint
US2014262120A1 Centrifugal casting method and apparatus
US8733424B1 Centrifugal casting method and apparatus
PL383681A1 Stressed blocking seal for mechanic coupling of tubes
US2004189032A1 Rotation hook
PL371921A1 Locking device and method for securing telescoped pipe
WO02096590A1 Highly ductile reduced imperfection weld for ductile iron and method for producing same
US6214203B1 Anodic encasement corrosion protection system for pipe and appurtenances, and metallic components thereof
WO9508072A1 Improved restraining element for pressure pipe joints
US5464228A Restraining element for pressure pipe joints
US5269569A Bell lip restraining configuration for pressure pipe
US5295697A Restraining element for pressure pipe joints
US5336998A Sensor for detecting faults in a magnetized ferrous object using hall effect elements
CA1310678C Restrained joint with gripper gland
US4867488A Restrained joint with gripper gland
US4871197A Earthquake resistant pipe joints
US4832084A Dual graphite structured pipe
US4791976A Method of making dual graphite structured pipe
US4750194A Clock synchronization system
US4685705A Large deflection pipe coupling