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Class Information
Number: 220/216
Name: Receptacles > Closures > Floating closure
Description: Closures which float on the top of the contained liquid and are in the nature of followers.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7374059 |
Covering systems and venting methods |
May. 20, 2008 |
| 7225942 |
Oil storage tank equipped with a floating bed type inner floating roof |
Jun. 5, 2007 |
| 7159736 |
Device for preserving freshness of contents of a container |
Jan. 9, 2007 |
| 7124906 |
Apparatus and method for protecting floating roof tanks from the effects of lightning strikes |
Oct. 24, 2006 |
| 7017768 |
Floatable barrier for use with a beverage container |
Mar. 28, 2006 |
| 6929142 |
Removable hatch cover for an internal floating roof manway |
Aug. 16, 2005 |
| 6922956 |
Floating cover |
Aug. 2, 2005 |
| 6851891 |
Organic slurry storage basin cover |
Feb. 8, 2005 |
| 6817480 |
Receptacle covering device |
Nov. 16, 2004 |
| 6641517 |
Method and apparatus for making density gradients |
Nov. 4, 2003 |
| 6637624 |
Beverage dispensing urn with surface-covering member and method |
Oct. 28, 2003 |
| 6529134 |
Remote adjustment device and method |
Mar. 4, 2003 |
| 6505445 |
Floating cover |
Jan. 14, 2003 |
| 6497533 |
Drainage system with membrane cover and method for covering wastewater reservoir |
Dec. 24, 2002 |
| 6357964 |
Drainage system with membrane cover and method for covering wastewater reservoir |
Mar. 19, 2002 |
| 6338169 |
Floating cover for large liquid reservoir |
Jan. 15, 2002 |
| 6290083 |
Heating system for tanks for assembly for supporting the floating roofs of tanks for storing liquids |
Sep. 18, 2001 |
| 6220469 |
Antistatic flotation body and pontoon containing such body |
Apr. 24, 2001 |
| 6164479 |
Internal floating roof tank and peripheral seal |
Dec. 26, 2000 |
| 5829621 |
Guide pole fitting seal for floating roof storage tanks |
Nov. 3, 1998 |
| 5704509 |
Full contact floating roof |
Jan. 6, 1998 |
| 5680950 |
Floating roof |
Oct. 28, 1997 |
| 5632405 |
Container for lobsters and the like |
May. 27, 1997 |
| 5628421 |
Floating roof |
May. 13, 1997 |
| 5605243 |
Floating roof |
Feb. 25, 1997 |
| 5560509 |
Guide pole fitting seal for floating roof storage tanks |
Oct. 1, 1996 |
| 5533640 |
Floating roof |
Jul. 9, 1996 |
| 5531075 |
Process to transport acetylene |
Jul. 2, 1996 |
| 5515989 |
Tank shoe spring and double seal |
May. 14, 1996 |
| 5509563 |
Apparatus for coupling a pontoon to a floating roof in a storage tank for liquid products |
Apr. 23, 1996 |
| 5509562 |
Floating roof |
Apr. 23, 1996 |
| 5490605 |
Floating roof storage tank |
Feb. 13, 1996 |
| 5474198 |
Stillpipe sealing device |
Dec. 12, 1995 |
| 5449084 |
Gauge pole seal |
Sep. 12, 1995 |
| 5423446 |
Vapor seal for floating roof of liquid storage tank |
Jun. 13, 1995 |
| 5415317 |
Gas migration inhibitor |
May. 16, 1995 |
| 5407091 |
Rainwater storage tanks |
Apr. 18, 1995 |
| 5361933 |
Ice cream storage shield |
Nov. 8, 1994 |
| 5353941 |
Adjustable floating roof supports for reduced vapor loss |
Oct. 11, 1994 |
| 5330009 |
Built-up inner floating ceiling, equipped with instant fire extinguishing devices, for use in an oil storage tank |
Jul. 19, 1994 |
| 5305904 |
Fluid storage tank |
Apr. 26, 1994 |
| 5305909 |
Method and device for protecting paint in a paint container |
Apr. 26, 1994 |
| 5301828 |
Secondary shoe seal |
Apr. 12, 1994 |
| 5249692 |
Vapor seal |
Oct. 5, 1993 |
| 5213230 |
Paint can sealer |
May. 25, 1993 |
| 5212090 |
Cover structure for a fermentation container |
May. 18, 1993 |
| 5199590 |
Collapsible device for securing a cover over a swimming pool |
Apr. 6, 1993 |
| 5150805 |
Fluid seal apparatus |
Sep. 29, 1992 |
| 5123559 |
Built-up inner floating ceiling for use in an oil storage tank |
Jun. 23, 1992 |
| 5036995 |
Peripheral seal for floating tank cover |
Aug. 6, 1991 |
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