Inventor
David Edward Williams
Inventor
Abingdon, GB
Overview
Patents· 24 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G01Nprimary
G01NInvestigating or analysing materials by determining their chemical or physical properties35%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes9%
H04LTransmission of digital information, e.g. telegraphic communication9%
Y10TTechnical subjects covered by former us classification9%
C12QMeasuring or testing processes involving enzymes, nucleic acids or microorganisms6%
B82YSpecific uses or applications of nanostructures3%
C01GCompounds containing metals not covered by subclasses c01d or c01f3%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds3%
F42CAmmunition fuzes3%
G07FCoin-freed or like apparatus3%
PatentTitleYear
10,167,501Methods and apparatus for quantification of nucleic acid amplification by monitoring impedances2019D0811857'Support for a wire spool carrier'2018D0802866'Mobile wire spool carrier'20178,249,946'Customized food selection, ordering and distribution system and method'20127,756,767'System and method for renegotiating a financial instrument'20107,264,921'No synthase assay particles and method'20077,010,957'Gas sensors with improved resistance to humidity interference'20066,481,264'Materials for solid-state gas sensors'20026,046,054'Semiconducting oxide gas sensors'20005,918,261'Multi-electrode gas sensors and methods of making and using them'19995,858,739'Gas sensor'19995,814,281'Resistive gas sensing'19985,811,662'Resistive gas sensing, especially for detection of ozone'19985,789,659'Monitoring of multiple-electrode gas sensors'1998D0342361'Mobile support unit for a wire spool'19934,768,012'Sensors'19884,454,494'Oxygen sensors'19844,306,116'Communications unit for voice and data'19814,283,709'Cash accounting and surveillance system for games'19814,076,961'Automatic switching unit for data communications network'19784,055,808'Data communications network testing system'19774,055,733'Line level signal measuring device'19774,036,142'Obscuration fuze and sensor'19773,955,141'Synchronizing circuit for modems in a data communications network'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1981Patents assigned to INTERTEL INC (5)· patent assignee history
1976–1981Based in Andover, MA, US· patent location history
1984–2002Based in Abingdon, GB· patent location history
1988Patents assigned to ATOMIC ENERGY AUTHORITY UK (1)· patent assignee history
1998–2000Patents assigned to CAPTEUR SENSORS & ANALYSERS (5)· patent assignee history
1998Based in Abingdon, VA, US· patent location history
2017–2018Patents assigned to WILLBERK INVENT INC (2)· patent assignee history
2017–2018Based in Surrey, CA· patent location history
2019Patents assigned to AUCKLAND UNISERVICES LTD (1)· patent assignee history
2019Based in Auckland, NZ· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CAPTEUR SENSORS & ANALYSERS | 5 | 1998–2000 |
| INTERTEL INC | 5 | 1976–1981 |
| WILLBERK INVENT INC | 2 | 2017–2018 |
| ATOMIC ENERGY AUTHORITY UK | 1 | 1988 |
| AUCKLAND UNISERVICES LTD | 1 | 2019 |
Locations
| Location | Patents | Span |
|---|---|---|
| Abingdon, GB | 7 | 1984–2002 |
| Andover, Massachusetts, US | 5 | 1976–1981 |
| Surrey, CA | 2 | 2017–2018 |
| Abingdon, Virginia, US | 2 | 1998 |
| Auckland, NZ | 1 | 2019 |