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Inventor

Michael Wardley

Inventor
Aberdeen, GB

Overview

19→
Patents
1987–2021
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 19 as inventor

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

E21Bprimary
E21BEarth or rock drilling65%
B23KSoldering or unsoldering12%
B24DTools for grinding, buffing or sharpening8%
C04BLime, magnesia8%
B23CMilling4%
Y10TTechnical subjects covered by former us classification4%
PatentTitleYear
11,125,036Downhole anchor mechanism202111,078,754Downhole test tool and method of use202111,047,187Well abandonment and slot recovery202110,989,017Method of abandoning a well202110,329,877Downhole tool and method20199,580,969'Cutting assembly suitable for use on a drillable drill bit'20179,222,328'Wellhead latch and removal systems'20158,342,251'Shoe for wellbore lining tubing'20137,866,391'Shoe for wellbore lining tubing'20117,703,523'Apparatus and method for use in a well bore'20107,686,089'Hanging apparatus and method'20106,443,247'Casing drilling shoe'20026,062,326'Casing shoe with cutting means'20004,942,933'Relating to rotary drill bits'19904,848,491'Rotary drill bits'19894,781,256'Cutting structures for rotary drill bits'19884,705,122'Cutter assemblies for rotary drill bits'19874,699,227'Method of forming cutting structures for rotary drill bits'19874,679,639'Rotary drill bits and cutting elements for such bits'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–1988Patents assigned to NL PETROLEUM PROD (4)· patent assignee history
1987–1988Based in Stroud, GB· patent location history
1989–1990Patents assigned to REED TOOL CO (2)· patent assignee history
1990Based in Gloucestershire, GB· patent location history
2000–2013Based in Laurencekirk, GB· patent location history
2002–2021Based in Aberdeen, GB· patent location history
2010–2011Patents assigned to CALEDUS LTD (3)· patent assignee history
2011–2019Based in Aberdeenshire, GB· patent location history
2013–2017Patents assigned to WARDLEY MICHAEL (2)· patent assignee history
2021Patents assigned to ARDYNE HOLDINGS LTD (4)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ARDYNE HOLDINGS LTD42021
NL PETROLEUM PROD41987–1988
CALEDUS LTD32010–2011
REED TOOL CO21989–1990
WARDLEY MICHAELself22013–2017
Locations
LocationPatentsSpan
Aberdeen, GB72002–2021
Laurencekirk, GB42000–2013
Stroud, GB31987–1988
Aberdeenshire, GB22011–2019
Gloucestershire, GB11990