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AAA SALES & ENG

Overview
  • Total Patents
    26
About

AAA SALES & ENG has a total of 26 patent applications. Its first patent ever was published in 1981. It filed its patents most often in United States, Canada and Mexico. Its main competitors in its focus markets transport, machines and mechanical elements are HAYES STANLEY W, WESTERN CULLEN HAYES and HUPP ALBERT.

Patent filings in countries

World map showing AAA SALES & ENGs patent filings in countries

Patent filings per year

Chart showing AAA SALES & ENGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Heyden Thomas J 14
#2 Ziese Lowell B 5
#3 Braatz James D 5
#4 Reitz Gregory P 3
#5 Bohme Richard 2
#6 Mazur Michael B 2
#7 Hooper John A 2
#8 Mazur Robert A 2
#9 Zawlocki Mark 2
#10 Punko Emil M 2

Latest patents

Publication Filing date Title
US2015007743A1 Devices, systems and methods for engaging and disengaging railcar wheels and for controlling travel of railcar
CA2742557A1 Systems for retarding the speed of a railcar
US2011251809A1 Inductive loop presence detector
CA2701007A1 Devices and systems for stopping travel of a railcar
US2010258389A1 Air bladder actuator for railroad car retarder
US2010252372A1 Securing Brake Shoes to Brake Beams in a Railroad Car Retarder
CA2652172A1 Devices and systems for controlling travel of a railcar
US2008303518A1 Railcar presence detector
US2009045019A1 Bladder-actuated railroad retarder
US2006260883A1 Fail-safe, weight-responsive skate retarder
US2006225968A1 Bladder actuator for a railroad retarder
US7325567B2 Pneumatic retarder acutator valve
US7140698B2 Hydraulic control and operation system for a railroad car retarder
US6422519B1 Railroad track switch operator
US6216525B1 Distributive retarder test device
US4996793A Louver control apparatus for modular shutter assembly
US4967511A Modular shutter assembly
US4393960A Low noise railroad retarder brake shoe structure