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Inventor

WISSMANN KORD J

US36 patents
⚠️ This page may combine multiple inventors who share the name “WISSMANN KORD J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

GEOPIER FOUND CO INC

25 patents
US8043028B2Oct 25, 2011

Apparatus for providing a support column

GEOPIER FOUND CO INC16 citations91
US7963724B2Jun 21, 2011

Method of providing a support column

GEOPIER FOUND CO INC15 citations91
US7326004B2Feb 5, 2008

Apparatus for providing a rammed aggregate pier

GEOPIER FOUND CO INC40 citations91
US7604437B2Oct 20, 2009

Method and apparatus for creating support columns using a hollow mandrel with upward flow restrictors

GEOPIER FOUND CO INC34 citations86
US7488139B2Feb 10, 2009

Pyramidal or conical shaped tamper heads and method of use for making rammed aggregate piers

GEOPIER FOUND CO INC13 citations84
US8360689B2Jan 29, 2013

Method for ground improvement with hardened inclusions

GEOPIER FOUND CO INC7 citations81
US9637882B2May 2, 2017

Method and apparatus for making an expanded base pier

GEOPIER FOUND CO INC2 citations73
US9869070B2Jan 16, 2018

Soil reinforcement system including angled soil reinforcement elements to resist seismic shear forces and methods of making same

GEOPIER FOUND CO INC3 citations72
US12012715B2Jun 18, 2024

Extensible shells and related methods for constructing a ductile support pier

GEOPIER FOUND CO INC1 citations71
US11479935B2Oct 25, 2022

Extensible shells and related methods for constructing a ductile support pier

GEOPIER FOUND CO INC2 citations71
US10858796B2Dec 8, 2020

Extensible shells and related methods for constructing a ductile support pier

GEOPIER FOUND CO INC4 citations71
US9915050B2Mar 13, 2018

Apparatus and method for ground improvement

GEOPIER FOUND CO INC4 citations70
US9702107B2Jul 11, 2017

Methods and apparatuses for compacting soil and granular materials

GEOPIER FOUND CO INC1 citations63
US12320090B2Jun 3, 2025

Methods and apparatuses for compacting soil and granular materials

GEOPIER FOUND CO INC0 citations62
US11859349B2Jan 2, 2024

System for and method of stabilizing rail track structures using a load transfer apparatus

GEOPIER FOUND CO INC0 citations62
US11773555B2Oct 3, 2023

Methods and apparatuses for compacting soil and granular materials

GEOPIER FOUND CO INC0 citations62
US10941534B2Mar 9, 2021

Methods and apparatuses for compacting soil and granular materials

GEOPIER FOUND CO INC0 citations62
US12534867B2Jan 27, 2026

Apparatuses for constructing displacement aggregate piers

GEOPIER FOUND CO INC0 citations59
US12000106B2Jun 4, 2024

Apparatuses for constructing displacement aggregate piers

GEOPIER FOUND CO INC0 citations59
US10329728B2Jun 25, 2019

Methods and apparatuses for compacting soil and granular materials

GEOPIER FOUND CO INC0 citations52
US9243379B2Jan 26, 2016

Method of providing a support column

GEOPIER FOUND CO INC0 citations51
US10655294B2May 19, 2020

Apparatuses for constructing displacement aggregate piers

GEOPIER FOUND CO INC0 citations48
US10844567B2Nov 24, 2020

Soil densification system and method

GEOPIER FOUND CO INC0 citations44
US9512586B2Dec 6, 2016

Soil densification system and method

GEOPIER FOUND CO INC0 citations44
US8380461B2Feb 19, 2013

Construction modulus testing apparatus and method

GEOPIER FOUND CO INC0 citations44

WISSMANN KORD J

6 patents

TENSAR INT CORPORATION

3 patents

MAHER STEPHEN A

2 patents