|
US3679058A
|
|
Oil collection boom
|
|
US3556301A
|
|
Floating flexible skimming devices
|
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US3563036A
|
|
Inflatable floating booms
|
|
US3564852A
|
|
Flexible floating booms
|
|
US3603952A
|
|
Spill sensors
|
|
US3561735A
|
|
Fluid-bell-sheet forming apparatus
|
|
US3638430A
|
|
High-strength fire-resistant spill control booms
|
|
US3539013A
|
|
Oil collection boom
|
|
US3499290A
|
|
Floating boom
|
|
US3434698A
|
|
Fluid mixing,moving and atomizing methods and apparatus
|
|
US3422795A
|
|
Apparatus for coating hollow objects with powder
|
|
US3311085A
|
|
Apparatus for coating objects
|
|
US3240381A
|
|
Surface cover for stored liquids
|
|
US3045680A
|
|
Smoke filtering device
|
|
US2824819A
|
|
Method for oxide insulating aluminum conductors
|
|
US2949283A
|
|
Apparatus for heat transfer
|
|
US2708896A
|
|
Indicating protective covers for pipe flanges and valves
|
|
US2601840A
|
|
Indicating protective cover for pipe flanges and valves
|
|
US2246940A
|
|
Pump control
|
|
US698572A
|
|
Embroidery-hoop holder.
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