Inventor
John Irven
Inventor
High Wycombe, GB
Overview
Patents· 20 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C03Bprimary
C03BManufacture, shaping, or supplementary processes22%
F17CVessels for containing or storing compressed, liquefied or solidified gases16%
Y10TTechnical subjects covered by former us classification13%
B01DSeparation7%
C03CChemical composition of glasses, glazes or vitreous enamels7%
F17DPipe-line systems7%
C07BGeneral methods of organic chemistry4%
C07CAcyclic or carbocyclic compounds4%
F16KValves4%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution4%
PatentTitleYear
8,915,992'Process and system for providing acetylene'20148,129,577'Process and system for providing acetylene'20127,013,916'Sub-atmospheric gas delivery method and apparatus'20066,648,021'Gas control device and method of supplying gas'20036,571,835'Valve assembly, apparatus and method of filing a pressurized gas container'20036,572,688'Gas purification unit'20036,527,009'Gas control device and method of supplying gas'20036,314,986'Gas control device and method of supplying gas'20016,085,548'Control vent system for ultra-high purity delivery system for liquefied compressed gases'20005,409,526'Apparatus for supplying high purity fluid'19954,518,407'Optical fibre preform manufacture'19854,341,441'Method of making solid preforms and optical fibers drawn therefrom'19824,335,934'Single mode fibre and method of making'19824,242,118'Optical fiber manufacture'19804,195,980'Method of manufacturing a continuous optical preform'19804,165,224'Method of manufacturing optical fibre preforms'19794,155,733'Optical fibre manufacture'19794,116,653'Optical fiber manufacture'19784,087,266'Optical fibre manufacture'19784,009,014'Optical fiber manufacture'1977Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1977–1985Patents assigned to INT STANDARD ELECTRIC CORP (10)· patent assignee history
1977–1982Based in Bishops Stortford, GB· patent location history
1978–1980Based in Harlow, GB· patent location history
1980–1985Based in Stansted, GB· patent location history
1995–2014Patents assigned to AIR PROD & CHEM (10)· patent assignee history
1995–2006Based in High Wycombe, GB· patent location history
2012–2014Patents assigned to DOWNIE NEIL ALEXANDER (2)· patent assignee history
2012–2014Patents assigned to INMAN BENJAMIN JAMES ARTHUR (2)· patent assignee history
2012–2014Patents assigned to IRVEN JOHN (2)· patent assignee history
2014Based in Watchet, GB· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| AIR PROD & CHEM | 10 | 1995–2014 |
| INT STANDARD ELECTRIC CORP | 10 | 1977–1985 |
| DOWNIE NEIL ALEXANDER | 2 | 2012–2014 |
| INMAN BENJAMIN JAMES ARTHUR | 2 | 2012–2014 |
| IRVEN JOHNself | 2 | 2012–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| High Wycombe, GB | 8 | 1995–2006 |
| Bishops Stortford, GB | 4 | 1977–1982 |
| Stansted, GB | 3 | 1980–1985 |
| Harlow, GB | 3 | 1978–1980 |
| Watchet, GB | 1 | 2014 |