Inventor
Donald I. Townsend
Inventor
Midland, MI, US
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F02Bprimary
F02BInternal-combustion piston engines15%
G01KMeasuring temperature10%
G01NInvestigating or analysing materials by determining their chemical or physical properties10%
Y02TClimate change mitigation technologies related to transportation10%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests10%
C01BNon-metallic elements5%
F01NGas-flow silencers or exhaust apparatus for machines or engines in general5%
F02DControlling combustion engines5%
F24FAir-conditioning5%
F25BRefrigeration machines, plants or systems5%
PatentTitleYear
8,950,200'Evaporative condenser cooling unit and method'20154,439,048'Accelerating rate calorimeter and method of operation'19844,254,741'Diesel engine with dual fuel injection system and method of operation'19814,208,907'Accelerating rate calorimeter and method of operation'19804,154,811'Method for producing hydrohalic acids in a diesel engine'19794,108,113'Method for reducing concentration of harmful or offensive vapors in the atmosphere'1978Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1978–1984Patents assigned to DOW CHEMICAL CO (5)· patent assignee history
1978–1984Based in Midland, MI, US· patent location history
2015Patents assigned to CHAVEZ LAWRENCE R (1)· patent assignee history
2015Patents assigned to JOUAS GARY STEPHEN (1)· patent assignee history
2015Patents assigned to PHOENIX MFG INC (1)· patent assignee history
2015Patents assigned to TOWNSEND DONALD I (1)· patent assignee history
2015Based in Phoenix, AZ, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DOW CHEMICAL CO | 5 | 1978–1984 |
| CHAVEZ LAWRENCE R | 1 | 2015 |
| JOUAS GARY STEPHEN | 1 | 2015 |
| PHOENIX MFG INC | 1 | 2015 |
| TOWNSEND DONALD Iself | 1 | 2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Midland, MI, US | 5 | 1978–1984 |
| Phoenix, AZ, US | 1 | 2015 |