Bearing protection with positive lubricant-level indication

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8893855
APP PUB NO 20120261215A1
SERIAL NO

13088890

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

A bearing-protection device for protecting and lubricating bearings. The bearing-protection device provides positive indication of lubrication levels provided to the bearings and includes a protector housing defining a lubrication chamber with an outer wall, a proximal end and a distal end. The device also includes a piston assembly movable within the lubrication chamber, the piston assembly biased in a direction generally toward the proximal end of the bearing protector housing, and a viewing window defined in the outer wall of the bearing protector housing. Indicia associated with the piston is viewable through the viewing window to indicate a level of lubricant within the chamber.

Loading the Abstract Image... loading....

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
NORTHERN TOOL & EQUIPMENT COMPANY INC2800 SOUTHCROSS DRIVE WEST BURNSVILLE MN 55306

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Schuetz, John David Owatonna, US 3 25
Sharp, Bryson Farmington, US 1 2
Starnes, Brent Lakeville, US 1 2

Cited Art Landscape

Load Citation

Patent Citation Ranking

Forward Cite Landscape

Load Citation

Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
11.5 Year Payment $7400.00 $3700.00 $1850.00 May 25, 2026
Fee Large entity fee small entity fee micro entity fee
Surcharge - 11.5 year - Late payment within 6 months $160.00 $80.00 $40.00
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