Inventor

David L. Gregory

Inventor

Houston, TX, US

Overview

13→

Patents

1981–2021

Patent span

Performing operations

Primary field (CPC B)

Patents· 13 as inventor

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

Y10Tprimary

Y10TTechnical subjects covered by former us classification15%

E05BLocks11%

F16LPipes11%

B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material7%

B23BTurning7%

B25BTools or bench devices not otherwise provided for, for fastening, connecting, disengaging, or holding7%

G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light7%

H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation7%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%

B21JForging4%

PatentTitleYear

11,098,853Pipeline supplemental containment wall systems and methods2021 11,079,041Pipeline retainer stake systems and methods2021 11,065,670Outward direction pipe fitting swage machine systems and methods2021 11,067,469Reusable pipe integrity test head systems and methods2021 11,065,669Forward stroke pipe fitting swage machine systems and methods2021 5,315,116'Baffled cold shields for infrared detector'1994 5,277,782'Baffled cold shields for infrared detector'1994 4,447,176'Template for mortice cylinder lock removal'1984 4,446,763'Mortice cylinder lock wrench structures'1984 4,379,576'Sliding closure security system'1983 4,309,140'Self-locking threaded fastener and unlocking tool combination'1982 4,307,983'Apparatus for gaining access to enclosures secured by cylinder locks with minimum damage to internal lock elements'1981 4,261,093'Tool and method for gaining legitimate entry into a locked enclosure'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981–1984Patents assigned to GREGORY DAVID L (4)· patent assignee history

1981Patents assigned to DYNA BOLT CORP (1)· patent assignee history

1981–1984Based in Orlando, FL, US· patent location history

1982–1984Patents assigned to BLOUGH LEVONE A (4)· patent assignee history

1982Based in Craigville, IN, US· patent location history

1994Patents assigned to OPTICAL RADIATION CORP (2)· patent assignee history

1994Based in Covina, CA, US· patent location history

2021Patents assigned to TRINITY BAY EQUIPMENT HOLDINGS LLC (5)· patent assignee history

2021Based in Houston, TX, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
TRINITY BAY EQUIPMENT HOLDINGS LLC	5	2021
BLOUGH LEVONE A	4	1982–1984
GREGORY DAVID Lself	4	1981–1984
OPTICAL RADIATION CORP	2	1994
DYNA BOLT CORP	1	1981

Locations

Location	Patents	Span
Houston, Texas, US	5	2021
Orlando, Florida, US	5	1981–1984
Covina, California, US	2	1994
Craigville, IN, US	1	1982