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Blast compression wave absorbing device

Acoustics – Sound-modifying means – Sound absorbing fence or screen
Reexamination Certificate

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Blocking devices for hollow structures

Acoustics – Sound-modifying means – Housing or enclosure
Reexamination Certificate

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Blocking devices for hollow structures

Acoustics – Sound-modifying means – Housing or enclosure
Reexamination Certificate

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Blowdown and venting jet noise suppressor

Acoustics – Sound-modifying means – Muffler – fluid conducting type
Reexamination Certificate

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Blower noise silencer

Acoustics – Sound-modifying means – Muffler – fluid conducting type
Patent

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Blower pipe with silencer

Acoustics – Sound-modifying means – Muffler – fluid conducting type
Patent

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Board building material, board building material producing...

Acoustics – Sound-modifying means – Sound absorbing panels
Reexamination Certificate

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Body-sensible acoustic device

Acoustics – Combined
Patent

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Boiler noise suppressor

Acoustics – Sound-modifying means – Muffler – fluid conducting type
Patent

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Borehole acoustic transmitter

Acoustics – Geophysical or subsurface exploration – Well logging
Patent

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Borehole logging tool with anchoring mechanism

Acoustics – Geophysical or subsurface exploration – Well logging
Reexamination Certificate

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Borehole seismic detector system employing stabilizers

Acoustics – Geophysical or subsurface exploration – Well logging
Patent

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Borehole seismic pulse generator and system

Acoustics – Geophysical or subsurface exploration – Well logging
Patent

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Borehole seismic receiver

Acoustics – Geophysical or subsurface exploration – Well logging
Patent

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Borehole seismic tool

Acoustics – Geophysical or subsurface exploration – Well logging
Reexamination Certificate

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Borehole tool actuating mechanism

Acoustics – Geophysical or subsurface exploration – Well logging
Reexamination Certificate

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Boron coated diaphragm for use in a loud speaker

Acoustics – Diaphragm – Critically defined material or coating
Patent

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Bottom diaphragm for transporter for a seismic energy source

Acoustics – Geophysical or subsurface exploration – Seismic wave generation
Patent

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Bounceless seismic wave generator

Acoustics – Geophysical or subsurface exploration – Seismic wave generation
Patent

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Bow dome sonar

Acoustics – Geophysical or subsurface exploration – Seismic source and detector
Reexamination Certificate

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