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Class Information
Number: 52/577
Name: Static structures (e.g., buildings) > Having means (e.g., hollow form or core) forming cavity, core, or cell in slab > Thin-walled type (e.g., can)
Description: Structure including a thin-walled member or members defining a closed periphery, which member in use is embedded in a settable material and forms an unoccupied void within the material.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7353641 |
Void forming core formwork for concrete beam |
Apr. 8, 2008 |
| 7232605 |
Hybrid natural-fiber composites with cellular skeletal structures |
Jun. 19, 2007 |
| 7013927 |
Sleeve for toilet flanges and drains |
Mar. 21, 2006 |
| 6941705 |
Accessory for modular elements for the support and ventilation of crawl spaces, floor structures, floors or similar articles in the building field |
Sep. 13, 2005 |
| 6789366 |
Lost mould element for manufacturing reinforced concrete flat slabs |
Sep. 14, 2004 |
| 6767619 |
Preform for manufacturing a material having a plurality of voids and method of making the same |
Jul. 27, 2004 |
| 6725611 |
Sleeve holder for utility conduit |
Apr. 27, 2004 |
| 6550207 |
Modular element for crawl spaces and floor structures |
Apr. 22, 2003 |
| 6502364 |
Spigot pipe anchor method and apparatus |
Jan. 7, 2003 |
| 6327822 |
Modular prefabricated element used in building construction |
Dec. 11, 2001 |
| 6216403 |
Method, member, and tendon for constructing an anchoring device |
Apr. 17, 2001 |
| 6161355 |
Construction using aluminum cans |
Dec. 19, 2000 |
| 6050043 |
Apparatus and method for supporting concrete beams, walls and the like |
Apr. 18, 2000 |
| 5816009 |
Stress steering structure |
Oct. 6, 1998 |
| 5782049 |
Two-part collapsible corrugated paper form void |
Jul. 21, 1998 |
| 5778625 |
Recessed lighting fixture and method of installing |
Jul. 14, 1998 |
| 5643402 |
Method and device for pressing injection material into the joints between concrete bodies |
Jul. 1, 1997 |
| 5634311 |
Drainage conduit |
Jun. 3, 1997 |
| 5615528 |
Stress steering structure |
Apr. 1, 1997 |
| 5496213 |
Foundation vent |
Mar. 5, 1996 |
| 5444947 |
Foundation vent |
Aug. 29, 1995 |
| 5396747 |
Plane hollow reinforced concrete floors with two-dimensional structure |
Mar. 14, 1995 |
| 5386675 |
Concrete beam connection sleeve |
Feb. 7, 1995 |
| 5377469 |
Sealing device for concrete joints and process for the introducing of a sealing medium into sealing devices |
Jan. 3, 1995 |
| 5347786 |
Reusable concrete spacer sleeve |
Sep. 20, 1994 |
| 5249401 |
Sealing device for concrete joints and process for the introducing of a sealing medium into sealing devices |
Oct. 5, 1993 |
| 5245806 |
Concrete beam conduit guide |
Sep. 21, 1993 |
| 5182885 |
Extendable wall sleeves |
Feb. 2, 1993 |
| 5129147 |
Sluice gate or penstock door |
Jul. 14, 1992 |
| 5088253 |
Method and apparatus for housing and waste disposal |
Feb. 18, 1992 |
| 5072911 |
Barrier mold for forming openings in concrete structures |
Dec. 17, 1991 |
| 5027571 |
Frame for leading lines through a structural part |
Jul. 2, 1991 |
| 4888925 |
Fire-retardant fluid coupling assembly and method |
Dec. 26, 1989 |
| 4831803 |
Foundation form work |
May. 23, 1989 |
| 4827690 |
Cardboard building structure and method |
May. 9, 1989 |
| 4788809 |
Building foundation |
Dec. 6, 1988 |
| 4748787 |
Pipe flange fire-proofing kit and process |
Jun. 7, 1988 |
| 4742585 |
Tub box |
May. 10, 1988 |
| 4702048 |
Bubble relief form for concrete |
Oct. 27, 1987 |
| 4685267 |
Box void |
Aug. 11, 1987 |
| 4637184 |
Hollow floor |
Jan. 20, 1987 |
| 4629155 |
In-situ post hole forming device |
Dec. 16, 1986 |
| 4625940 |
Wall sleeves |
Dec. 2, 1986 |
| 4619087 |
Barrier-embedded pipe-coupling apparatus and method |
Oct. 28, 1986 |
| 4597237 |
Modular wall panel and building wall constructed therefrom |
Jul. 1, 1986 |
| 4580379 |
Underfloor assembly system having sub-floor accessory panels |
Apr. 8, 1986 |
| 4559749 |
Underfloor assembly and cable distribution system therefor |
Dec. 24, 1985 |
| 4542613 |
Precast concrete building panel and method of producing the same |
Sep. 24, 1985 |
| 4532740 |
Anchoring track with removable filler body |
Aug. 6, 1985 |
| 4495744 |
Displacement body |
Jan. 29, 1985 |
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