Cong Yue Qiao has been granted 25 US patents while listed as an inventor at L.E. Jones . The first was granted in 2002 and the most recent in June 2024. Cong Yue Qiao ranks #158,593 of 4,157,543 US inventors in our database (top 3.8%). Patent records list Cong Yue Qiao in Menominee, MI, US.
Patents per Year Patents granted per year, 2002 to 2024 Bar chart with a peak of 3 patents in 2013. peak 3 2002: 2 patents 2002 2003: 1 patents 2004: 1 patents 2004 2005: 1 patents 2007: 1 patents 2007 2010: 1 patents 2013: 3 patents 2013 2015: 1 patents 2016: 2 patents 2016 2017: 1 patents 2018: 2 patents 2018 2019: 1 patents 2020: 1 patents 2020 2021: 1 patents 2022: 3 patents 2022 2023: 1 patents 2024: 2 patents 2024
Issued Patents All Time
Showing 1–25 of 25 patents
Patent # Title Co-Inventors Date
12018343
Martensitic wear resistant alloy strengthened through aluminum nitrides
David Doll
2024-06-25
11988294
Sintered valve seat insert and method of manufacture thereof
David Doll
2024-05-21
11566299
Martensitic wear resistant alloy strengthened through aluminum nitrides
David Doll
2023-01-31
11530460
Low-carbon iron-based alloy useful for valve seat inserts
—
2022-12-20
11525172
Nickel-niobium intermetallic alloy useful for valve seat inserts
David Doll
2022-12-13
11215090
High performance iron-based alloys for engine valvetrain applications and methods of making and use thereof
David Doll , Todd Trudeau , Douglas W. Dooley
2022-01-04
11155904
Cobalt-rich wear resistant alloy and method of making and use thereof
David Doll , Heidi Ziegler Doll , Douglas W. Dooley , Daniel W. Bancroft
2021-10-26
10677109
High performance iron-based alloys for engine valvetrain applications and methods of making and use thereof
David Doll , Todd Trudeau , Douglas W. Dooley
2020-06-09
10421116
Method of casting valve seat inserts and casting apparatus
David Doll , Donald K Morris , Howard Delorme, Jr.
2019-09-24
10138766
Iron-based alloys and methods of making and use thereof
Peter Vennema , Douglas W. Dooley , David Doll
2018-11-27
9932867
Iron-based alloys and methods of making and use thereof
David Doll , Todd Trudeau , Peter Vennema
2018-04-03
9638075
High performance nickel-based alloy
Lawrence A. Bowsher , Daniel E. Ward , Scott A. Smith
2017-05-02
9458743
Iron-based alloys and methods of making and use thereof
Peter Vennema , Douglas W. Dooley , David Doll
2016-10-04
9334547
Iron-based alloys and methods of making and use thereof
David Doll , Todd Trudeau , Peter Vennema
2016-05-10
8940110
Corrosion and wear resistant iron based alloy useful for internal combustion engine valve seat inserts and method of making and use thereof
David Doll
2015-01-27
8613886
Nickel-rich wear resistant alloy and method of making and use thereof
Todd Trudeau
2013-12-24
8479700
Iron-chromium alloy with improved compressive yield strength and method of making and use thereof
Todd Trudeau
2013-07-09
8430075
Superaustenitic stainless steel and method of making and use thereof
Todd Trudeau
2013-04-30
7754143
Cobalt-rich wear resistant alloy and method of making and use thereof
Daniel W. Bancroft
2010-07-13
7216427
Surface treatment of prefinished valve seat inserts
Todd Trudeau , Daniel W. Bancroft , Douglas W. Dooley
2007-05-15
6881280
Iron-based alloy for internal combustion engine valve seat inserts and the like
—
2005-04-19
6702905
Corrosion and wear resistant alloy
Todd Trudeau
2004-03-09
6519847
Surface treatment of prefinished valve seat inserts
Todd Trudeau , Daniel W. Bancroft , Douglas W. Dooley
2003-02-18
6482275
Nickel based alloys for internal combustion engine valve seat inserts, and the like
—
2002-11-19
6436338
Iron-based alloy for internal combustion engine valve seat inserts
—
2002-08-20