Inventor

Frederick A Johnson

Inventor

Sevenoaks, GB

Overview

8→

Patents

1976–2016

Patent span

Performing operations

Primary field (CPC B)

Patents· 8 as inventor

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

F16Fprimary

F16FSprings24%

B23QDetails, components, or accessories for machine tools, e.g. arrangements for copying or controlling12%

B63GOffensive or defensive arrangements on vessels12%

B63HMarine propulsion or steering12%

F16MFrames, casings or beds of engines, machines or apparatus, not specific to engines, machines or apparatus provided for elsewhere12%

Y10TTechnical subjects covered by former us classification12%

B63BShips or other waterborne vessels6%

E05BLocks6%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein6%

PatentTitleYear

9,528,568'Vibration isolation'2016 8,061,677'Vibration isolation'2011 7,013,832'Arrangement for damping of structural resonance'2006 6,911,754'Control of electro-magnets'2005 6,116,179'Mounting of machinery within a vessel'2000 5,121,702'Underwater vehicle'1992 5,022,628'Mounting for machinery'1991 3,944,817'Optical intensity adjustment devices'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976Based in Powick, GB· patent location history

1991–1992Patents assigned to MARCONI GEC LTD (2)· patent assignee history

1991–2011Based in Sevenoaks, GB· patent location history

2000Patents assigned to BAE SYSTEMS ELECTRONICS LIMITE (1)· patent assignee history

2005Patents assigned to BAE SYS ELECTRONICS LTD (1)· patent assignee history

2006–2016Patents assigned to BAE SYSTEMS PLC (3)· patent assignee history

2011Patents assigned to DALEY STEPHEN (1)· patent assignee history

2016Based in Kent, GB· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
BAE SYSTEMS PLC	3	2006–2016
MARCONI GEC LTD	2	1991–1992
BAE SYS ELECTRONICS LTD	1	2005
BAE SYSTEMS ELECTRONICS LIMITE	1	2000
DALEY STEPHEN	1	2011

Locations

Location	Patents	Span
Sevenoaks, GB	6	1991–2011
Kent, GB	1	2016
Powick, GB	1	1976