Inventor
KUEHMANN CHARLES J
US16 patents
⚠️ This page may combine multiple inventors who share the name “KUEHMANN CHARLES J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
UNIV NORTHWESTERN
7 patentsUS6176946B1Jan 23, 2001
Advanced case carburizing secondary hardening steels
UNIV NORTHWESTERN40 citations95
US6485582B1Nov 26, 2002
Advanced case carburizing secondary hardening steels
UNIV NORTHWESTERN15 citations92
US6464801B2Oct 15, 2002
Advanced case carburizing secondary hardening steels
UNIV NORTHWESTERN19 citations92
US6458220B1Oct 1, 2002
Case hardened steel blades for sports equipment and method of manufacture
UNIV NORTHWESTERN23 citations88
US6491767B1Dec 10, 2002
Case hardened dies for improved die life
UNIV NORTHWESTERN16 citations81
US6635126B2Oct 21, 2003
Advanced case carburizing secondary hardening steels
UNIV NORTHWESTERN4 citations73
US6695930B2Feb 24, 2004
Process for case hardened dies in improving die life
UNIV NORTHWESTERN5 citations71
APPLE INC
5 patentsUS9627749B2Apr 18, 2017
Radio-frequency transparent window
APPLE INC5 citations84
US9300036B2Mar 29, 2016
Radio-frequency transparent window
APPLE INC9 citations84
US11028468B2Jun 8, 2021
Soft magnetic alloy optimized for metal injection molding
APPLE INC2 citations72
US10597762B2Mar 24, 2020
Aluminum alloys with high strength and cosmetic appeal
APPLE INC1 citations58
US10427380B2Oct 1, 2019
Methods of manufacturing corrosion resistant bimetal parts and bimetal parts formed therefrom
APPLE INC0 citations52
QUESTEK INNOVATIONS LLC
2 patentsUS7160399B2Jan 9, 2007
Nanocarbide precipitation strengthened ultrahigh-strength, corrosion resistant, structural steels
QUESTEK INNOVATIONS LLC28 citations92
US7967927B2Jun 28, 2011
Nanocarbide precipitation strengthened ultrahigh-strength, corrosion resistant, structural steels
QUESTEK INNOVATIONS LLC9 citations83