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Inventor

John Blackwell

Inventor
Greenwood, IN, US

Overview

3→
Patents
1978–2021
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 3 as inventor

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

A43Bprimary
A43BCharacteristic features of footwear10%
A43CFastenings or attachments of footwear10%
B60KArrangement or mounting of propulsion units or of transmissions in vehicles10%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments10%
F01KSteam engine plants10%
F01PCooling of machines or engines in general10%
F02GHot gas or combustion-product positive-displacement engine plants10%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof10%
Y02TClimate change mitigation technologies related to transportation10%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests10%
PatentTitleYear
10,914,228Waste heat recovery with active coolant pressure control system20217,165,344'Disposable, one-piece, self-adhesive, all-surface, sport, game, play, work, cushioning, safety “RED e” cleat'20074,071,312'Green-yellow to orange monoazo paper dyes'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978Patents assigned to DU PONT (1)· patent assignee history
1978Based in Kennett Square, PA, US· patent location history
2007Patents assigned to BLACKWELL JOHN RICHARD (1)· patent assignee history
2007Based in Urbanna, VA, US· patent location history
2021Patents assigned to CUMMINS INC (1)· patent assignee history
2021Based in Greenwood, IN, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BLACKWELL JOHN RICHARDself12007
CUMMINS INC12021
DU PONT11978
Locations
LocationPatentsSpan
Greenwood, IN, US12021
Urbanna, Virginia, US12007
Kennett Square, Pennsylvania, US11978