|
2025
|
P/S
|
Gratings of metal |
|
2024
|
Invention
|
Bar assembly |
|
|
Invention
|
Bar assembly for use in gratings.
A grating including a bar assembly having bearing bars with a ... |
|
|
Invention
|
Grating having bearing bars with unique cross section.
A grating including a bar assembly having... |
|
2023
|
P/S
|
Gratings of metal, namely, grating assemblies with operational doors made of metal. |
|
|
P/S
|
Metal support assembly for metal grating |
|
|
Invention
|
Universal anchor for use with a grating frame.
A grate frame assembly including an embed grate f... |
|
|
Invention
|
Grating frame assembly and method of installation.
A grate frame assembly including an embed gra... |
|
2022
|
Invention
|
Method and apparatus for lifting grates.
Grate lifters for moving grating assemblies relative to... |
|
|
Invention
|
System and method for manufacturing protruding features on a substrate.
A system and method form... |
|
|
Invention
|
Folding barrier assembly and method of use.
A grate hatch and folding barrier assembly has a pai... |
|
2021
|
Invention
|
Grate system having multiple bearing bars.
A larger clear span grating system incorporating pair... |
|
|
Invention
|
Heavy cycle grating system. A heavy cycle grating system incorporating a plurality of toothed sup... |
|
2017
|
P/S
|
Metal gratings |
|
|
P/S
|
Metal gratings |
|
2016
|
Invention
|
Decorative grating and method of manufacturing the same. A grating assembly and a method for manu... |
|
2012
|
Invention
|
Grating system with enhanced see-through characteristics. A grating system provides enhanced see ... |
|
2009
|
Invention
|
Grating system forvehicular and pedestrian traffic. A grating system typically includes longitudi... |
|
|
P/S
|
Slip-resistant metal flooring |
|
2007
|
Invention
|
Method and apparatus for depositing raised features at select locations on a substrate to produce... |
|
2006
|
Invention
|
Grating system. A grating system includes a first welded subassembly and a second non-welded suba... |
|
2004
|
Invention
|
Grating system.
A grating system includes a first welded subassembly and a second non... |
|
|
P/S
|
METAL GRATING |
|
1999
|
P/S
|
METAL GRATINGS |
|
1988
|
Invention
|
Grating construction. An improved grating construction of the type intended for closing or floori... |
