Stainless steel weldment and pad combined welding method

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9808876
SERIAL NO

14408447

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

A stainless steel weldment and pad combined welding method includes steps of: (a) respectively processing and pairing butts of to-be-welded portions of two weldments, wherein, during pairing, inner walls of the two weldments are aligned at the same plane; the butts of the two weldments are opposed to form a V-shaped groove with an angle α; and between bottoms of the butts of the two weldments is kept a gap L of 2-4 mm; (b) providing a copper pad at the gap between the bottoms of the butts of the two weldments, wherein the copper pad closely attaches to the inner walls of the two weldments; (c) welding the V-shaped groove to form a root pass; and (d) removing the copper pad, and filling the root pass to be welded into a cover pass.

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

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
CHINA NATIONAL CHEMICAL ENGINEERING THIRD CONSTRUCTION CO LTD230601 NO 599 LIANHUA ROAD HEFEI ECONOMIC AND TECHNOLOGICAL DEVELOPMENT ZONE ANHUI PROVINCE HEFEI CITY ANHUI PROVINCE 230601

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chen, Jialin Anhui, CN 7 55
Huang, Qingping Anhui, CN 74 221
Li, Wenwei Anhui, CN 66 120
Pang, Liyang Anhui, CN 1 2
Su, Yuxian Anhui, CN 1 2
Wu, Yan Anhui, CN 454 4399
Xia, Jiewen Anhui, CN 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
7.5 Year Payment $3600.00 $1800.00 $900.00 May 7, 2025
11.5 Year Payment $7400.00 $3700.00 $1850.00 May 7, 2029
Fee Large entity fee small entity fee micro entity fee
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