Jack Ditcher

Person

Langhorne, PA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Retaining wall/tie-back/anchor assembly
- Patent number 5,860,771
- Issue date Jan 19, 1999
- Atlantic Precast Concrete Inc.
- Jack Ditcher
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Retaining wall assembly utilizing face panels interlocked with tie-...
- Patent number 5,127,770
- Issue date Jul 7, 1992
- Atlantic Precast Concrete Inc.
- Jack Ditcher
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Gasket for use in manhole bases and the like
- Patent number 5,114,162
- Issue date May 19, 1992
- A-Lok Products, Inc.
- Jack Ditcher
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Apparatus for forming inverts and manhole assemblies and the like u...
- Patent number 4,941,643
- Issue date Jul 17, 1990
- A-Lok Products, Inc.
- Jack Ditcher
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Apparatus for providing a watertight seal for manhole pipe connecti...
- Patent number 4,903,970
- Issue date Feb 27, 1990
- A-Lok Products, Inc.
- Jack Ditcher
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Methods for forming inverts in manhold assemblies
- Patent number 4,801,417
- Issue date Jan 31, 1989
- A-Lok Products Corporation
- Jack Ditcher
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Method and apparatus for lining manhole assemblies and the like
- Patent number 4,751,799
- Issue date Jun 21, 1988
- A-LOK Product, Inc.
- Jack Ditcher
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Method of making a manhole riser having integral flexible waterlock...
- Patent number 4,737,220
- Issue date Apr 12, 1988
- A-Lok Products, Inc.
- Jack Ditcher
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Precast concrete manhole adjustable bolt slot assembly for securing...
- Patent number 4,719,724
- Issue date Jan 19, 1988
- A-Lok Products, Inc.
- Jack Ditcher
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Gasket for use in manholes and including clamping band having coope...
- Patent number 4,711,455
- Issue date Dec 8, 1987
- A-Lok Products, Inc.
- Jack Ditcher
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Apparatus for forming inverts and manhole assemblies
- Patent number 4,685,650
- Issue date Aug 11, 1987
- A-Lok Products Corporation
- Jack Ditcher
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Manhole riser having integral flexible waterlock for manhole covers...
- Patent number 4,621,941
- Issue date Nov 11, 1986
- A-Lok Products, Inc.
- Jack Ditcher
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Precast concrete manhole adjustable bolt slot for securing cast iro...
- Patent number 4,618,464
- Issue date Oct 21, 1986
- A-Lok Products, Incorporated
- Jack Ditcher
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Drop manhole precast encasement
- Patent number 4,566,483
- Issue date Jan 28, 1986
- A-Lok Products, Inc.
- Jack Ditcher
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Monolithic precast invert system
- Patent number 4,565,347
- Issue date Jan 21, 1986
- A-Lok Products, Inc.
- Jack Ditcher
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Manhole riser and cooperating sleeve to provide a waterlock for man...
- Patent number 4,540,310
- Issue date Sep 10, 1985
- A-Lok Products, Inc.
- Jack Ditcher
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Gasket suitable for use in sealing exterior of sewer pipe to openin...
- Patent number 4,508,355
- Issue date Apr 2, 1985
- A-Lok Products Corporation
- John Ditcher
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Method and apparatus for forming inverts in manhole assemblies, and...
- Patent number 4,422,994
- Issue date Dec 27, 1983
- A-Lok Products, Inc.
- Jack Ditcher
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Method and apparatus for providing watertight seal for manhole pipe...
- Patent number 4,387,900
- Issue date Jun 14, 1983
- A-Lok Products, Inc.
- Jack Ditcher
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Gasket seal between sewer pipe and manhole opening
- Patent number 4,159,829
- Issue date Jul 3, 1979
- A-Lok Products Corporation
- John Ditcher
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Molded pleated gasket and device for installing same on pipe
- Patent number 4,103,901
- Issue date Aug 1, 1978
- A-Lok Corporation
- John Ditcher
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Lifting arrangements for massive objects
- Patent number 4,088,361
- Issue date May 9, 1978
- A-Lok Corporation
- John Ditcher
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Gasket seal between sewer pipe and manhole opening
- Patent number 4,073,048
- Issue date Feb 14, 1978
- A-Lok Corporation
- John Ditcher
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Joint assembly for vertically aligned sectionalized manhole structu...
- Patent number 3,980,311
- Issue date Sep 14, 1976
- A-Lok Corporation
- John Ditcher
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Apparatus for forming steps in manholes and the like
- Patent number 3,974,615
- Issue date Aug 17, 1976
- A-Lok Corporation
- John Ditcher
- B28 - WORKING CEMENT, CLAY, OR STONE

Jack Ditcher

Person

Patents Grantslast 30 patents

Retaining wall/tie-back/anchor assembly

Retaining wall assembly utilizing face panels interlocked with tie-...

Gasket for use in manhole bases and the like

Apparatus for forming inverts and manhole assemblies and the like u...

Apparatus for providing a watertight seal for manhole pipe connecti...

Methods for forming inverts in manhold assemblies

Method and apparatus for lining manhole assemblies and the like

Method of making a manhole riser having integral flexible waterlock...

Precast concrete manhole adjustable bolt slot assembly for securing...

Gasket for use in manholes and including clamping band having coope...

Apparatus for forming inverts and manhole assemblies

Manhole riser having integral flexible waterlock for manhole covers...

Precast concrete manhole adjustable bolt slot for securing cast iro...

Drop manhole precast encasement

Monolithic precast invert system

Manhole riser and cooperating sleeve to provide a waterlock for man...

Gasket suitable for use in sealing exterior of sewer pipe to openin...

Method and apparatus for forming inverts in manhole assemblies, and...

Method and apparatus for providing watertight seal for manhole pipe...

Gasket seal between sewer pipe and manhole opening

Molded pleated gasket and device for installing same on pipe

Lifting arrangements for massive objects

Gasket seal between sewer pipe and manhole opening

Joint assembly for vertically aligned sectionalized manhole structu...

Apparatus for forming steps in manholes and the like