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STANDARD SCREW

Overview
  • Total Patents
    138
About

STANDARD SCREW has a total of 138 patent applications. Its first patent ever was published in 1901. It filed its patents most often in United States, Canada and Germany. Its main competitors in its focus markets machines, mechanical elements and engines, pumps and turbines are AERO SUPPLY MFG CO INC, MIETH HANS OTTO and STEPHEN C PEPLIN.

Patent filings in countries

World map showing STANDARD SCREWs patent filings in countries
# Country Total Patents
#1 United States 61
#2 Canada 32
#3 Germany 12
#4 France 11
#5 United Kingdom 8
#6 Austria 6
#7 Brazil 2
#8 Spain 2
#9 Switzerland 1
#10 Denmark 1
#11 Finland 1
#12 Sweden 1

Patent filings per year

Chart showing STANDARD SCREWs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Corlett Webster D 21
#2 Mongerson Paul A 10
#3 Barnes William I 7
#4 Roberts Charles E 7
#5 Pearson Walter B 7
#6 Lesher Kenneth W 7
#7 Winslow Albert E 6
#8 Bell Frank W 6
#9 Ellison Joseph E 6
#10 Bouwkamp Gerald R 5

Latest patents

Publication Filing date Title
US3620254A Handle valve
US3630382A Liquid filter cartridge and a method and apparatus for making the same
US3533554A Combination aerator and drinking fountain
US3443266A Bathtub combination plumbing fixture
US3473562A Water faucet silencing means
US3430377A Bezel cap
US3430613A Chrome-plated metering valve
US3437082A Flow metering device
US3439660A Tappet metering disk
US3439659A Spiral metering valve
DE1258688B One-handle mixer tap
US3473558A Tub spout diverter
US3420272A Mixing valve
US3456677A Self-lubricating cartridge for use in water faucets or the like
US3428088A Faucet valve mixing notch
US3474008A Method of surface finishing a metallic part
US3397863A Adjustable stop tube
US3354898A Crankcase ventilating valve having rotatable metering plunger
US3368490A Fuel pump and pressure equalization means therefor
GB1100435A Water faucet means containing screening apparatus