High-voltage direct current relay capable of improving insulation capability

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12183534
APP PUB NO 20230154695A1
SERIAL NO

17983495

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

A high-voltage direct current relay capable of improving insulation capability, including a ceramic cover, two fixed contacts for respectively providing inflow and outflow current and one movable contact spring; a through hole for assembling the fixed contact being provided at a top wall of the ceramic cover; one segment of a body of the fixed contact being in clearance fitted with the through hole of the ceramic cover, a first step surface downward being provided at an outer peripheral wall of one segment of the body of the fixed contact, at a corresponding position, a second step surface upward being provided at an inner peripheral wall of the through hole of the ceramic cover, and the projections of the first step surface and the second step surface on the horizontal plane having an overlapped region.

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

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
XIAMEN HONGFA ELECTRIC POWER CONTROLS CO LTDDONGLIN ROAD JIMEI DISTRICT OF XIAMEN CITY FUJIAN PROVINCE NO 361021 560-564 XIAMEN CITY FUJIAN PROVINCE 361021

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chen, Songsheng Xiamen, CN 19 2
Dai, Wenguang Xiamen, CN 54 23
Fu, Dapeng Xiamen, CN 13 4
Wang, Meng Xiamen, CN 519 2984

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
3.5 Year Payment $1600.00 $800.00 $400.00 Jun 30, 2028
7.5 Year Payment $3600.00 $1800.00 $900.00 Jun 30, 2032
11.5 Year Payment $7400.00 $3700.00 $1850.00 Jun 30, 2036
Fee Large entity fee small entity fee micro entity fee
Surcharge - 3.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge - 7.5 year - Late payment within 6 months $160.00 $80.00 $40.00
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