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2017
|
Invention
|
Manhole step |
|
2016
|
G/S
|
Industrial lubricants Metal building materials, namely, pulling irons, lifters, namely, shackles ... |
|
2015
|
Invention
|
Flame retardant porous plastic resins. Described are flame retardant, porous plastic flame arrest... |
|
2014
|
Invention
|
Tree step.
A tree step includes (i) a metal or metal alloy core, the core including a threaded s... |
|
2012
|
Invention
|
Modular grid |
|
2010
|
Invention
|
Modular grid system. Embodiments of the present invention provide modular grid systems for use wi... |
|
2009
|
Invention
|
Pocket forming insert |
|
2007
|
Invention
|
Two sided manhole step |
|
2006
|
Invention
|
Devices and methods for twisting yarn. Devices and methods for twisting yarn may twist a strip of... |
|
2004
|
Invention
|
Frangible concrete insert clip.
A frangible clip and method for embedding a concrete insert into... |
|
|
Invention
|
Two-sided manhole step.
A two-sided manhole step. The step includes a first step surface and a s... |
|
|
Invention
|
Lift insert |
|
|
Invention
|
Manhole lift insert with frangible positioner.
A manhole lift insert with a socket portion and a... |
|
|
Invention
|
Systems, apparatuses and methods for cutting and spooling paper. Systems, apparatuses and methods... |
|
2003
|
Invention
|
Two-sided manhole step |
|
|
Invention
|
Manhole lift insert with frangible positioner |
|
|
Invention
|
Folded paper tape. A re-pulpable paper tape (10) capable of use in paper pulp bailing application... |
|
2000
|
Invention
|
Apparatuses and methods for cutting and spooling paper. Apparatuses and methods are provided for ... |
|
1998
|
Invention
|
Insert forming hole to receive manhole step. A frangible insert that is inserted in a pre-positio... |
|
1997
|
Invention
|
Manhole lift insert locator. A manhole lift insert positioning apparatus consisting of: (1) a thr... |
|
1994
|
Invention
|
Manhole ladder.
ABSTRACT OF THE DISCLOSURE
A non-metallic ladder for u... |
|
1993
|
Invention
|
Manhole ladder. A non-metallic ladder for use in a manhole in which permanent manhole steps have ... |
|
1992
|
Invention
|
Hydrometallurgical method of producing metallic lead from materials containing oxides, particular... |
|
|
Invention
|
Pipe joint seal.
ABSTRACT
An improved sliding pipe joint seal for use in sea... |
|
1990
|
Invention
|
Method and apparatus for separating and classifying scrap plastic materials. Classifying and proc... |
|
|
Invention
|
Manufacture of plastic products. A method for manufacturing plastic products from moldable plasti... |
|
|
Invention
|
Manufacture of plastic products.
A method for manufacturing plastic products from mold... |
|
1983
|
G/S
|
Closures Primarily of Elastomeric Materials for Preparing and Testing Concrete Samples |
|
1981
|
Invention
|
Removable insert for forming holes in concrete and the like. The present device is especially use... |
|
1980
|
Invention
|
Fabrication techniques for tubular sheathed heaters. Electric heater assemblies to encircle and w... |
