Inventor

Paul Porucznik

Inventor

Kennington, GB

Overview

25→

Patents

1977–2000

Patent span

Performing operations

Primary field (CPC B)

Patents· 25 as inventor

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

B21Dprimary

B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material38%

Y10TTechnical subjects covered by former us classification19%

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

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

B30BPresses in general5%

B65BMachines, apparatus or devices for, or methods of, packaging articles or materials5%

F16FSprings5%

G01MTesting static or dynamic balance of machines or structures5%

B26FPerforating2%

B65HHandling thin or filamentary material, e.g. sheets, webs, cables2%

PatentTitleYear

6,070,447'Base forming station'2000 5,692,409'Production of metal containers'1997 5,617,755'Presses for drawing a hollow article'1997 5,431,038'Apparatus for feeding a workpiece to a tool'1995 5,239,921'Balance mechanism for a press machine'1993 5,201,267'Balance mechanism for a press machine'1993 5,165,309'Maintaining a preferred vibration mode in an annular article'1992 5,095,733'Maintaining a preferred vibration mode in an annular article'1992 5,069,052'Method for roll forming and apparatus for carrying out the method'1991 5,052,207'Apparatus for, and a method of, cutting a blank'1991 5,049,019'Methods of making containers'1991 4,854,149'Reducing the diameter of tubular bodies'1989 4,782,594'Can openers'1988 4,626,157'Methods of making containers'1986 4,588,000'Method and apparatus for metering and dispensing volatile liquids'1986 D0282824'Tray'1986 D0282823'Combined tray and lid'1986 D0280705'Can'1985 D0280706'Packaging container'1985 4,425,778'Method and tool for redrawing'1984 4,423,823'Containers'1984 4,387,747'Filling of containers'1983 4,246,770'Apparatus for operating on hollow workpieces'1981 4,049,261'Feeder for feeding sheets having a recessed profile end edge'1977 4,007,621'Containers'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1984Patents assigned to METAL BOX CO LTD (6)· patent assignee history

1977–1985Based in St. Albans, GB· patent location history

1985–1995Patents assigned to METAL BOX PLC (11)· patent assignee history

1986–1997Based in Kennington, GB· patent location history

1986Based in Saint Alban De Roche, FR· patent location history

1989–2000Based in Oxford, GB· patent location history

1991–1992Patents assigned to CMB FOODCAN PLC (4)· patent assignee history

1992Patents assigned to CHEERS CHRISTOPHER F (1)· patent assignee history

1993–1995Based in Oxfordshire, GB· patent location history

1997Patents assigned to CARNAUDMETALBOX HOLDINGS USA (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
METAL BOX PLC	11	1985–1995
METAL BOX CO LTD	6	1977–1984
CMB FOODCAN PLC	4	1991–1992
CARNAUDMETALBOX HOLDINGS USA	2	1997
CHEERS CHRISTOPHER F	1	1992

Locations

Location	Patents	Span
Kennington, GB	8	1986–1997
St. Albans, GB	8	1977–1985
Oxford, GB	3	1989–2000
Oxfordshire, GB	3	1993–1995
Saint Alban De Roche, FR	2	1986