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Class Information
Number: 52/740.5
Name: Static structures (e.g., buildings) > Shaft (i.e., elongated rigid structure) > Tension member (e.g., re-bar) > Ribbed > Spiral
Description: Structure wherein the ridges wind helically about the surface of the rod.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7045210 |
Reinforcing bar and method for the production thereof |
May. 16, 2006 |
| 6612085 |
Reinforcing bars for concrete structures |
Sep. 2, 2003 |
| 6316074 |
Reinforced composite product and apparatus and method for producing same |
Nov. 13, 2001 |
| 6286270 |
Bar anchor and method for reinforcing steel in concrete construction |
Sep. 11, 2001 |
| 6185886 |
Fixing element for reinforcement connection with a secondary action, especially for earthquake-resistant securement |
Feb. 13, 2001 |
| 5626700 |
Method for forming reinforcing structural rebar by pultruding a core and molding thereover |
May. 6, 1997 |
| 5593744 |
Hollow reinforcing members and composites containing the same |
Jan. 14, 1997 |
| 4958961 |
Anchoring arrangement for a rod-shaped tension member formed of fiber reinforced composite material |
Sep. 25, 1990 |
| 4922681 |
Hot-rolled concrete reinforcing bar, in particular reinforcing ribbed bar |
May. 8, 1990 |
| 4811541 |
Threaded bar |
Mar. 14, 1989 |
| 4620401 |
Structural rod for reinforcing concrete material |
Nov. 4, 1986 |
| 4584247 |
Threading deformed bars |
Apr. 22, 1986 |
| 4350464 |
Anchor bolt for concrete |
Sep. 21, 1982 |
| 4308705 |
Reinforcing element |
Jan. 5, 1982 |
| 4229501 |
Steel rods, especially reinforcing or tensioning rods |
Oct. 21, 1980 |
| 4137686 |
Steel rods with hot rolled ribs formed in a partial spiral |
Feb. 6, 1979 |
| 4119764 |
Helical reinforcing bar for steel cage in concrete structure |
Oct. 10, 1978 |
| 3986311 |
Reinforcement for prestressed concrete members or buildings |
Oct. 19, 1976 |
| 3979186 |
Steel rod for prestressing concrete |
Sep. 7, 1976 |
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