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SCHRAMM INC

Overview
  • Total Patents
    41
  • GoodIP Patent Rank
    233,999
About

SCHRAMM INC has a total of 41 patent applications. Its first patent ever was published in 1924. It filed its patents most often in United States, Australia and Canada. Its main competitors in its focus markets civil engineering, environmental technology and engines, pumps and turbines are MAX WILD GMBH, TOP-WELL PETROLEUM TECH COMPANY LTD and HUMASON GRANVILLE A.

Patent filings in countries

World map showing SCHRAMM INCs patent filings in countries
# Country Total Patents
#1 United States 22
#2 Australia 8
#3 Canada 7
#4 United Kingdom 4

Patent filings per year

Chart showing SCHRAMM INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Brookover Brian David 8
#2 Gustafson Alfred N 8
#3 Schramm Harold J 5
#4 Bennett Norman L 4
#5 Mccullough John R 3
#6 Sim David Y 3
#7 Mccullough J 2
#8 Mccullough J R 2
#9 Schramm H 2
#10 Hillery Fox 1

Latest patents

Publication Filing date Title
US2015275595A1 Drill pipe handling apparatus having improved pipe gripping mechanism
AU2012202406A1 Earth drilling apparatus and method
US7350593B1 Electronically controlled earth drilling rig
US2007246262A1 Earth drilling rig having electronically controlled air compressor
CA2252452A1 Portable earth drilling apparatus with telescopic mast
US5941324A Drilling apparatus
US4277341A Water treatment discharge means
AU4737479A Air diffusers
AU2391777A Air diffusers
GB1572625A Aid diffusers
GB1572624A Apparatus for aeration of a body of liquid
US4048072A Air diffusers
CA982448A Apparatus and method for producing air bubbles in a body of liquid
US3966854A Air trap
US3782704A Apparatus and method for producing air bubbles in a body of liquid
GB1404864A Apparatus for producing bubbles in a body of liquid
AU4992372A Improvements in or relating to apparatus and method for producing air bubbles ina body of liquid
CA974671A Apparatus and method for producing air bubbles in a body of liquid
US3848623A Air trap
US3655001A Large diameter earth drill