| |
 |
|
Class Information
Number: 52/722.1
Name: Static structures (e.g., buildings) > Shaft (i.e., elongated rigid structure) > Stone-like component (e.g., concrete, etc.) > Upright > Conduit
Description: Structure wherein the intended purpose of the shaft is to convey a fluid (e.g., stack, well curbing, etc.).
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6708459 |
Sheet metal stud and composite construction panel and method |
Mar. 23, 2004 |
| 6389777 |
Device and method for protecting an object |
May. 21, 2002 |
| 6327833 |
Hollow pole with hollow stub foundation |
Dec. 11, 2001 |
| 5934035 |
Modular pillar |
Aug. 10, 1999 |
| 5881512 |
Precasted wall/column module |
Mar. 16, 1999 |
| 5800889 |
Composite filled hollow structure |
Sep. 1, 1998 |
| 5770276 |
Composite filled hollow structure |
Jun. 23, 1998 |
| 5692351 |
Column support system with neck piece for supporting overhead loads |
Dec. 2, 1997 |
| 5487251 |
Apparatus and method for reinforcing cast structures |
Jan. 30, 1996 |
| 5288174 |
Jackable oil rigs and corner columns for producing legs in an oil rig |
Feb. 22, 1994 |
| 4962621 |
Modular brick chimney unit |
Oct. 16, 1990 |
| 4844655 |
Surface drainage conduit installation structure and method |
Jul. 4, 1989 |
| 4679963 |
Playground construction |
Jul. 14, 1987 |
| 4672782 |
Smokestack or tower of precast reinforced concrete modules |
Jun. 16, 1987 |
| 4538507 |
Air circulation system and air flow elements therefor |
Sep. 3, 1985 |
| 4538386 |
Drainage system and method |
Sep. 3, 1985 |
| 4354657 |
Supports for coaxial conduits |
Oct. 19, 1982 |
| 4283161 |
Method and apparatus for a guard |
Aug. 11, 1981 |
| 4283161 |
Method and apparatus for a guard |
Aug. 11, 1981 |
| 4007574 |
Structural member and system |
Feb. 15, 1977 |
|
|
|
