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Inventor

Roy Randall Crawford

Inventor
Tyler, TX, US

Overview

6→
Patents
2012–2021
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 6 as inventor

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

F24Fprimary
F24FAir-conditioning45%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications27%
F25BRefrigeration machines, plants or systems9%
F28DHeat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media do not come into direct contact9%
G05DSystems for controlling or regulating non-electric variables9%
PatentTitleYear
10,969,123Control of residential HVAC equipment for dehumidification20219,267,717'System and method of charge management'20169,115,907'Ventilation controller'20158,961,282'Ventilation controller'20158,702,482'Ventilation controller'20148,091,375'Humidity control for air conditioning system'2012

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2012–2021Patents assigned to TRANE INT INC (6)· patent assignee history
2012–2014Patents assigned to CRAWFORD ROY R (2)· patent assignee history
2012–2016Based in Tyler, TX, US· patent location history
2016Patents assigned to BAILEY JOHN (1)· patent assignee history
2016Patents assigned to CRAWFORD ROY RANDALL (1)· patent assignee history
2016Patents assigned to DENTON DARRYL ELLIOTT (1)· patent assignee history
2021Based in Blanchard, OK, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TRANE INT INC62012–2021
CRAWFORD ROY Rself22012–2014
BAILEY JOHN12016
CRAWFORD ROY RANDALLself12016
DENTON DARRYL ELLIOTT12016
Locations
LocationPatentsSpan
Tyler, Texas, US52012–2016
Blanchard, OK, US12021