Inventor

Roger Leonard Williams

Inventor

Hertfordshire, GB

Overview

13→

Patents

1986–2015

Patent span

Human necessities

Primary field (CPC A)

Patents· 13 as inventor

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

A61Mprimary

A61MDevices for introducing media into, or onto, the body20%

A61JContainers specially adapted for medical or pharmaceutical purposes13%

LOC0713%

LOC2413%

A47GHousehold or table equipment7%

B65DContainers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers7%

H01LSemiconductor devices7%

H10HInorganic light-emitting semiconductor devices having potential barriers7%

H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h107%

LOC097%

PatentTitleYear

9,059,383'Hand held breast pump'2015 7,201,735'Powered breast pump'2007 6,579,258'Breast pump insert'2003 D0456897'Breast shell cover'2002 D0452652'Spout'2002 D0452326'Diaphragm for infant feeding bottle'2001 D0451199'Diaphragm mount for infant feeding bottle'2001 D0450123'Breast shell'2001 6,305,570'Closure assembly for a drinking vessel'2001 5,749,850'Breast pump'1998 5,579,935'Disposable baby bottle'1996 D0309273'Road safety device'1990 4,613,050'Baby feed bottles'1986

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986–2015Patents assigned to ATKIN EDWARD (3)· patent assignee history

1986–2007Based in Hertfordshire, GB· patent location history

1990Patents assigned to APH ROAD SAFETY LTD (1)· patent assignee history

1990–2015Based in Broxbourne, GB· patent location history

1996–2003Patents assigned to CANNON RUBBER LTD (8)· patent assignee history

1998–2002Based in Herts, GB· patent location history

2007–2015Patents assigned to WILLIAMS ROGER LEONARD (2)· patent assignee history

2007–2015Patents assigned to WORTLEY MARK JOHN (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
CANNON RUBBER LTD	8	1996–2003
ATKIN EDWARD	3	1986–2015
WILLIAMS ROGER LEONARDself	2	2007–2015
WORTLEY MARK JOHN	2	2007–2015
APH ROAD SAFETY LTD	1	1990

Locations

Location	Patents	Span
Hertfordshire, GB	7	1986–2007
Broxbourne, GB	3	1990–2015
Herts, GB	3	1998–2002