David Stadler

Person

Lathrup Village, MI, US

People

Patents Grantslast 30 patents

Information Patent Grant
Manhole cover
- Patent number 11,761,165
- Issue date Sep 19, 2023
- David M. Stadler
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Locking security cover for a valve box
- Patent number 10,935,159
- Issue date Mar 2, 2021
- David Stadler
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Security cover for a valve box with a positively operated automatic...
- Patent number 10,480,679
- Issue date Nov 19, 2019
- David Stadler
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Controlled pressure release manhole cover assembly
- Patent number 9,863,115
- Issue date Jan 9, 2018
- Neenah Foundry Company
- David M. Stadler
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Locking cover assembly for preventing unauthorized access to a util...
- Patent number 9,790,714
- Issue date Oct 17, 2017
- David Stadler
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Pressure responsive locking latch arrangement for manhole covers
- Patent number 9,416,516
- Issue date Aug 16, 2016
- Neenah Foundry Company
- David Stadler
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Bollard assembly
- Patent number 8,794,865
- Issue date Aug 5, 2014
- David M. Stadler
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Manhole cover stop mechanism
- Patent number 7,891,904
- Issue date Feb 22, 2011
- David Stadler
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Method of controllably venting gases generated by explosions in a m...
- Patent number 7,712,995
- Issue date May 11, 2010
- David Stadler
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Manhole cover security lock with controlled pressure release
- Patent number 7,484,908
- Issue date Feb 3, 2009
- David Stadler
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Telescoping bollard with screw drive
- Patent number 7,244,075
- Issue date Jul 17, 2007
- David M. Stadler
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Locking device and method for catch basin and manhole covers, and t...
- Patent number 6,764,261
- Issue date Jul 20, 2004
- David Stadler
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents

Information Patent Application
Locking Security Cover For A Valve Box
- Publication number 20200116276
- Publication date Apr 16, 2020
- David Stadler
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
High Security Flush Plug Assembly
- Publication number 20180335163
- Publication date Nov 22, 2018
- David Stadler
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Security Cover For A Valve Box With A Positively Operated Automatic...
- Publication number 20180252332
- Publication date Sep 6, 2018
- David Stadler
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Application
Locking Cover Assembly For Preventing Unauthorized Access To A Util...
- Publication number 20170284132
- Publication date Oct 5, 2017
- David Stadler
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Application
Pressure Responsive Locking Latch Arrangement For Manhole Covers
- Publication number 20160053458
- Publication date Feb 25, 2016
- Neenah Foundry Company
- David Stadler
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
Controlled Pressure Release Manhole Cover Assembly
- Publication number 20160053457
- Publication date Feb 25, 2016
- Neenah Foundry Company
- David M. Stadler
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
Latch Mechanism For Manhole Cover with Captured Operator
- Publication number 20130221688
- Publication date Aug 29, 2013
- David M. Stadler
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
Manhole Cover Stop Mechanism
- Publication number 20100028077
- Publication date Feb 4, 2010
- David M. Stadler
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
Method of Controllably Venting Gases Generated by Explosions in a M...
- Publication number 20090154993
- Publication date Jun 18, 2009
- David Stadler
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
Bollard assembly
- Publication number 20080038057
- Publication date Feb 14, 2008
- David M. Stadler
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Application
Manhole Cover Security Lock with Controlled Pressure Release
- Publication number 20070286677
- Publication date Dec 13, 2007
- David Stadler
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
Telescoping bollard with screw drive
- Publication number 20070031189
- Publication date Feb 8, 2007
- David M. Stadler
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES

David Stadler

Person

Patents Grantslast 30 patents

Manhole cover

Locking security cover for a valve box

Security cover for a valve box with a positively operated automatic...

Controlled pressure release manhole cover assembly

Locking cover assembly for preventing unauthorized access to a util...

Pressure responsive locking latch arrangement for manhole covers

Bollard assembly

Manhole cover stop mechanism

Method of controllably venting gases generated by explosions in a m...

Manhole cover security lock with controlled pressure release

Telescoping bollard with screw drive

Locking device and method for catch basin and manhole covers, and t...

Patents Applicationslast 30 patents

Locking Security Cover For A Valve Box

High Security Flush Plug Assembly

Security Cover For A Valve Box With A Positively Operated Automatic...

Locking Cover Assembly For Preventing Unauthorized Access To A Util...

Pressure Responsive Locking Latch Arrangement For Manhole Covers

Controlled Pressure Release Manhole Cover Assembly

Latch Mechanism For Manhole Cover with Captured Operator

Manhole Cover Stop Mechanism

Method of Controllably Venting Gases Generated by Explosions in a M...

Bollard assembly

Manhole Cover Security Lock with Controlled Pressure Release

Telescoping bollard with screw drive