Inventor
Troy A. Sommerfeld
Inventor
Neenah, WI, US
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B23Kprimary
B23KSoldering or unsoldering40%
H05HPlasma technique27%
Y10TTechnical subjects covered by former us classification13%
B01DSeparation7%
C21DModifying the physical structure of ferrous metals7%
F04BPositive-displacement machines for liquids7%
PatentTitleYear
9,050,684'Multi-stage compressor in a plasma cutter'20158,859,928'Multi-stage compressor in a plasma cutter'20148,399,797'Automatic compressor adjustment system and method for a portable cutting torch system'20138,153,925'Heat exchanger and moisture removal for a plasma cutting system'20127,084,367'Temperature indicating consumable'20067,022,935'Plasma-cutting torch with integrated high frequency starter'2006Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2006–2015Patents assigned to ILLINOIS TOOL WORKS (6)· patent assignee history
2006–2015Based in Neenah, WI, US· patent location history
2012–2014Patents assigned to SOMMERFELD TROY A (3)· patent assignee history
2013Patents assigned to LEITERITZ NATHAN GERALD (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ILLINOIS TOOL WORKS | 6 | 2006–2015 |
| SOMMERFELD TROY Aself | 3 | 2012–2014 |
| LEITERITZ NATHAN GERALD | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Neenah, WI, US | 6 | 2006–2015 |