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Class Information
Number: 220/226
Name: Receptacles > Closures > Floating closure > With gasket means intermediate closure rim and receptacle > Attached to closure > Resilient foam or stuffed gasket
Description: Device wherein the gasket means is formed of resilient foam or is distended by a material stuffing.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7374059 |
Covering systems and venting methods |
May. 20, 2008 |
| 6354488 |
Secondary seal for floating roof storage tank |
Mar. 12, 2002 |
| 6325384 |
Tank piston with improved seal and wiper |
Dec. 4, 2001 |
| 6247607 |
Low profile secondary seal |
Jun. 19, 2001 |
| 5532431 |
Sealing construction for electrical connection box and method for forming packing used therefor |
Jul. 2, 1996 |
| 5529200 |
Floating roof metallic shoe seal spring hanger system |
Jun. 25, 1996 |
| 5372270 |
Shoe seal for floating roof |
Dec. 13, 1994 |
| 4842160 |
Floating covering for liquid storage tank |
Jun. 27, 1989 |
| 4632281 |
Magnadrum pump assembly |
Dec. 30, 1986 |
| 4532800 |
Level indicator for liquid container with a follower |
Aug. 6, 1985 |
| 4493430 |
Floating roof seal using a coil spring |
Jan. 15, 1985 |
| 4437577 |
Double secondary seal for floating roof tanks |
Mar. 20, 1984 |
| 4353478 |
Vapor seal for floating roof tank |
Oct. 12, 1982 |
| 4339052 |
Secondary seal for floating roof storage tanks |
Jul. 13, 1982 |
| 4273250 |
Sealing system for liquid storage tanks |
Jun. 16, 1981 |
| 4213280 |
Modular unit for the construction of floating decks of liquid storage tanks |
Jul. 22, 1980 |
| 4191303 |
Liquid storage tank sealing system |
Mar. 4, 1980 |
| 4174785 |
Multiple peripheral seal for storage tank floating deck |
Nov. 20, 1979 |
| 4147274 |
Floating roof tank seal |
Apr. 3, 1979 |
| 4130217 |
Seal arrangement for floating roof storage tanks |
Dec. 19, 1978 |
| 4126243 |
Tank floating roof seal |
Nov. 21, 1978 |
| 4099643 |
Seal for floating roof tank |
Jul. 11, 1978 |
| 4036395 |
Secondary sealing device for storage vessel having a floating roof |
Jul. 19, 1977 |
| 4014454 |
Floating roofs for liquid storage tanks |
Mar. 29, 1977 |
| 4004708 |
Fire-responsive tank top |
Jan. 25, 1977 |
| 3946557 |
Rocket motor construction |
Mar. 30, 1976 |
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