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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 10870900 B1

PDFFull Text
Date of Patent:
Dec. 22, 2020

Filed:

Jan. 16, 2018

High toughness martensitic stainless steel and reciprocating pump manufactured therewith

Applicant:

A. Finkl & Sons Co., Chicago, IL (US);

Inventors:

Algirdas Underys, Arlington Heights, IL (US);

Louis-Philippe Lapierre, Chicago, IL (US);

Assignee:

A. Finkl & Sons Co., Chicago, IL (US);

Attorney:

von Briesen & Roper, s.c.

Primary Examiner:

Abiy Teka

Assistant Examiner:

Michael Quandt

Int. Cl.
CPC ...
C21D 6/00 (2006.01); C22C 38/02 (2006.01); C22C 38/04 (2006.01); C22C 38/06 (2006.01); C22C 38/44 (2006.01); C22C 38/46 (2006.01); C22C 38/48 (2006.01); F04B 53/16 (2006.01); C21D 9/00 (2006.01); F04B 15/02 (2006.01); F04B 53/00 (2006.01); C21D 1/18 (2006.01); C21D 1/25 (2006.01); F04B 1/0421 (2020.01); C22C 38/00 (2006.01); F04B 9/04 (2006.01); F04B 35/01 (2006.01); F04B 39/00 (2006.01); F04B 39/12 (2006.01); F04B 53/14 (2006.01); F16H 21/18 (2006.01);
U.S. Cl.
CPC ...
C21D 6/008 (2013.01); C21D 1/18 (2013.01); C21D 1/25 (2013.01); C21D 6/004 (2013.01); C21D 6/005 (2013.01); C21D 9/00 (2013.01); C21D 9/0068 (2013.01); C22C 38/002 (2013.01); C22C 38/02 (2013.01); C22C 38/04 (2013.01); C22C 38/06 (2013.01); C22C 38/44 (2013.01); C22C 38/46 (2013.01); C22C 38/48 (2013.01); F04B 1/0421 (2013.01); F04B 15/02 (2013.01); F04B 53/007 (2013.01); F04B 53/16 (2013.01); C21D 2211/008 (2013.01); F04B 9/045 (2013.01); F04B 35/01 (2013.01); F04B 39/0094 (2013.01); F04B 39/122 (2013.01); F04B 53/006 (2013.01); F04B 53/14 (2013.01); F05C 2201/046 (2013.01); F16H 21/18 (2013.01);
Abstract

A reciprocating pump is disclosed. The reciprocating pump may comprise a power end, and a fluid end operatively connected to the power end. The fluid end may include a plunger, a cylinder configured to operatively engage the plunger, and an end block. The plunger, the cylinder, and the end block of the fluid end may each be fabricated from a high toughness martensitic stainless steel composition comprising between 11.50% and 17.00% by weight chromium, between 3.50% and 6.00% by weight nickel, between 0.30% and 1.50% by weight molybdenum, between 0.01% and 0.20% by weight vanadium, and iron.

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