Richard W. Alexander

Follow

Person

Lebanon, OR, US

People

Patents Grantslast 30 patents

Information Patent Grant
Closure methods for mines
- Patent number 11,724,291
- Issue date Aug 15, 2023
- Yost Brothers, LLC
- Karl William Yost
- B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information Patent Grant
Systems and methods for treating acidity, heavy metals, and solids...
- Patent number 11,680,001
- Issue date Jun 20, 2023
- Yost Brothers LLC
- Karl William Yost
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Revolving chamber oscillation mixing devices and associated methods
- Patent number 11,059,008
- Issue date Jul 13, 2021
- Richard W. Alexander
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Closure methods for mines
- Patent number 10,960,444
- Issue date Mar 30, 2021
- Karl William Yost
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
CLOSURE METHODS FOR MINES
- Publication number 20210178437
- Publication date Jun 17, 2021
- Yost Brothers, LLC
- Karl William Yost
- B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information Patent Application
SYSTEMS AND METHODS TO TREAT PFAS AND OTHER PERSISTENT ORGANIC COMP...
- Publication number 20200399147
- Publication date Dec 24, 2020
- Karl William Yost
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
CLOSURE METHODS FOR MINES
- Publication number 20190308229
- Publication date Oct 10, 2019
- Karl William Yost
- B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information Patent Application
SYSTEMS AND METHODS FOR TREATING ACIDITY, HEAVY METALS, AND SOLIDS...
- Publication number 20190284073
- Publication date Sep 19, 2019
- Karl William Yost
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
REVOLVING CHAMBER OSCILLATION MIXING DEVICES AND ASSOCIATED METHODS
- Publication number 20190118149
- Publication date Apr 25, 2019
- Richard W. Alexander
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL