David L. Neathery

Person

Shreveport, LA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Manhole inserts and manhole insert gasket fabrication methods
- Patent number 11,536,003
- Issue date Dec 27, 2022
- Michael Forlong
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Manhole inserts and manhole insert gasket fabrication methods
- Patent number 10,011,971
- Issue date Jul 3, 2018
- David L. Neathery
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Sewer gas sampling and analyzing devices and methods
- Patent number 9,784,650
- Issue date Oct 10, 2017
- David L. Neathery
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Enhanced strength manhole cover assembly and fabrication method
- Patent number 9,022,685
- Issue date May 5, 2015
- David L. Neathery
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Manhole insert and tether locking apparatus and method
- Patent number 7,748,927
- Issue date Jul 6, 2010
- David L. Neathery
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Manhole insert and tether apparatus and method
- Patent number 5,966,876
- Issue date Oct 19, 1999
- Southwestern Packing & Seals Inc.
- David L. Neathery
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Manhole insert and tether and method
- Patent number 5,727,351
- Issue date Mar 17, 1998
- David L. Neathery
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Method and apparatus for sealing manholes
- Patent number 4,957,389
- Issue date Sep 18, 1990
- David L. Neathery
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Manhole insert
- Patent number 4,919,564
- Issue date Apr 24, 1990
- Neathery; David L.
- David L. Neathery
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents

Information Patent Application
MANHOLE INSERTS
- Publication number 20230183934
- Publication date Jun 15, 2023
- Michael Forlong
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Manhole Inserts and Manhole Insert Gasket Fabrication Methods
- Publication number 20180291585
- Publication date Oct 11, 2018
- David L. Neathery
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Manhole insert & tether locking apparatus and method
- Publication number 20080003056
- Publication date Jan 3, 2008
- David L. Neathery
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

David L. Neathery

Person

Patents Grantslast 30 patents

Manhole inserts and manhole insert gasket fabrication methods

Manhole inserts and manhole insert gasket fabrication methods

Sewer gas sampling and analyzing devices and methods

Enhanced strength manhole cover assembly and fabrication method

Manhole insert and tether locking apparatus and method

Manhole insert and tether apparatus and method

Manhole insert and tether and method

Method and apparatus for sealing manholes

Manhole insert

Patents Applicationslast 30 patents

MANHOLE INSERTS

Manhole Inserts and Manhole Insert Gasket Fabrication Methods

Manhole insert & tether locking apparatus and method