LexDanaLexDanabeta
Inventor

Steven G. Caldwell

Inventor
Hendersonville, TN, US

Overview

8→
Patents
2007–2014
Patent span
Performing operations
Primary field (CPC B)

Patents· 8 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

B22Fprimary
B22FWorking metallic powder21%
C22CAlloys21%
E21BEarth or rock drilling21%
B21BRolling of metal10%
B23BTurning10%
Y10TTechnical subjects covered by former us classification10%
A61FFilters implantable into blood vessels3%
G21FProtection against x-radiation, gamma radiation, corpuscular radiation or particle bombardment3%
PatentTitleYear
8,841,005'Articles having improved resistance to thermal cracking'20148,697,258'Articles having improved resistance to thermal cracking'20148,556,839'Walking device for remedying drop foot'20138,087,324'Cast cones and other components for earth-boring tools and related methods'20128,007,714'Earth-boring bits'20118,007,922'Articles having improved resistance to thermal cracking'20117,954,569'Earth-boring bits'20117,312,466'High efficiency shield array'2007

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2007–2012Patents assigned to TDY IND INC (5)· patent assignee history
2007–2014Based in Hendersonville, TN, US· patent location history
2011–2012Patents assigned to BAKER HUGHES INC (3)· patent assignee history
2012–2014Patents assigned to CALDWELL STEVEN G (2)· patent assignee history
2012–2014Patents assigned to MIRCHANDANI PRAKASH K (2)· patent assignee history
2013Based in Medina, NY, US· patent location history
2014Patents assigned to KENNAMETAL INC (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TDY IND INC52007–2012
BAKER HUGHES INC32011–2012
CALDWELL STEVEN Gself22012–2014
KENNAMETAL INC22014
MIRCHANDANI PRAKASH K22012–2014
Locations
LocationPatentsSpan
Hendersonville, TN, US72007–2014
Medina, New York, US12013