Inventor
Joseph C. Hafele
Inventor
Peoria, IL, US
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G01Nprimary
G01NInvestigating or analysing materials by determining their chemical or physical properties12%
B23KSoldering or unsoldering8%
B23PMetal-working not otherwise provided for8%
C21DModifying the physical structure of ferrous metals8%
F16JPistons8%
G01MTesting static or dynamic balance of machines or structures8%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%
Y10TTechnical subjects covered by former us classification8%
B01DSeparation4%
B05BSpraying apparatus4%
PatentTitleYear
4,685,066'Contamination monitor and method'19874,520,652'System for obtaining exhaust samples and analyzing the same'19854,386,534'System for obtaining exhaust samples and analyzing the same'19834,323,401'Bearing having an array of microasperities'19824,221,195'Liquid cooled diesel engine having gas cooled prechamber'19804,120,261'Electrostatic coating system'19784,121,085'Gas nozzle for laser welding'19784,047,984'Corpuscular energy beam produced microasperities'19774,030,816'Variable focus right angle mirror for laser beam manipulation'1977Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1977–1985Patents assigned to CATERPILLAR TRACTOR CO (8)· patent assignee history
1977–1987Based in Peoria, IL, US· patent location history
1987Patents assigned to CATERPILLAR INC (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CATERPILLAR TRACTOR CO | 8 | 1977–1985 |
| CATERPILLAR INC | 1 | 1987 |
Locations
| Location | Patents | Span |
|---|---|---|
| Peoria, Illinois, US | 9 | 1977–1987 |