Learn more

HOUCK RANDALL J

Overview
  • Total Patents
    11
About

HOUCK RANDALL J has a total of 11 patent applications. Its first patent ever was published in 1988. It filed its patents most often in United States and Canada. Its main competitors in its focus markets civil engineering, mechanical elements and machines are SONDOV STEN Y, ARMORTEC INC and BRITANNIA ENGINEERING CONSULTA.

Patent filings in countries

World map showing HOUCK RANDALL Js patent filings in countries
# Country Total Patents
#1 United States 10
#2 Canada 1

Patent filings per year

Chart showing HOUCK RANDALL Js patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Houck Randall J 11
#2 Houck Michael H 7
#3 Houck Harold J 7

Latest patents

Publication Filing date Title
US2010189506A1 Methods for installing and using paper-enclosed filter media units in an effluent treatment system
US2009014380A1 Apparatus, systems, and methods for distributing effluent in mound elimination units and other drainfield installations
US7264418B1 Modular slotted drain assembly
US7727388B1 Septic tank and drainfield products, systems and methods
US5639364A Light-weight drainage line units
US5378357A Light-weight drainage line unit employing end-to-end connectors
US5154543A Method and apparatus for installation of drainage field
US5051028A Method and apparatus for installation of drainage field
CA2037617A1 Method and apparatus for installation of drainage field
US5015123A Method and apparatus for installation of drainage field