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• 15 United States
• 10 France
• 8 Japan
• 7 China
• 5 Korea
• 2 Other

Patent Owner(s)

Patent Owner	Address
EARTH TOOL COMPANY LLC	38446 VALLEY ROAD OCONOMOWOC WI 53066

International Classification(s)

• G01V:GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING ....

• 2009 Application Filing Year
• G01V Class
• 1039 Applications Filed
• 876 Patents Issued To-Date
• 84.32 % Issued To-Date

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Wentworth, Steven W	Fountain Hills, US	102	1479
# of filed Patents : 102 Total Citations : 1479

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Patent Citation Ranking

• 7 Citation Count
• G01V Class

• 1.95 % this patent is cited more than
• 15 Age

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date

Fee	Large entity fee	small entity fee	micro entity fee
Surcharge after expiration - Late payment is unavoidable	$700.00	$350.00	$175.00
Surcharge after expiration - Late payment is unintentional	$1,640.00	$820.00	$410.00

Full Text

US Patent Application No: 2010/0219,835

Non-magnetic transmitter housing

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Abstract

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A sonde assembly of the invention includes: a sonde housing in the form of a non-magnetic tube having windows therein for permitting a radio signal to be transmitted out the tube from the inside;means such as a device enclosing a front end of the tube; a sonde slidingly disposed inside the non-magnetic tube and closely fitting in a sonde cavity thereof in engagement with a front end stop of the tube. The sonde comprises a sensor and a radio transmitter connected to the sensor to transmit a directional signal based on sensor input, which sensor and transmitter are disposed inside a non-magnetic cylinder.

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Description

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Claims

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