Inventor
David Ling
Inventor
Taichung, TW
Overview
Patents· 22 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B25Bprimary
B25BTools or bench devices not otherwise provided for, for fastening, connecting, disengaging, or holding16%
B25HWorkshop equipment, e.g. for marking-out work11%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests9%
A47FSpecial furniture, fittings, or accessories for shops, storehouses, bars, restaurants or the like7%
B21JForging7%
B21KMaking forged or pressed metal products, e.g. horse-shoes, rivets, bolts or wheels7%
B23PMetal-working not otherwise provided for7%
B65DContainers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers4%
G06FElectric digital data processing4%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes4%
PatentTitleYear
8,359,563'Moment-based characterization waveform for static timing analysis'20137,840,458'Internet settlement system'20107,797,236'Internet settlement system'20107,673,542'Spanner with prevention of disengagement of fasteners'20107,340,983'Spanner with prevention of disengagement of fasteners'20087,175,032'Tool rack assembly'20077,036,227'Process for making ratchet wheels'20066,961,918'System for intellectual property reuse in integrated circuit design'20056,712,224'Tool rack assembly'20046,701,768'Process for making ratchet wheels'20046,629,477'Reversible ratchet wrench with high torsion'20036,523,687'Toolbox with dual tool-receiving grooves and display in both sides thereof'20036,257,096'Socket adaptor for ratchet'20016,230,591'Reversible ratcheting tool with improved gear wheel/pawl engagement'20016,134,990'Ratcheting tool with improved gear wheel/pawl engagement'20006,126,004'Tool display box'2000D0430799'Tool display box'20006,076,669'Tool display rack'2000D0426151'Tool display box'20005,988,381'Tool display pack with a security device'19995,899,329'Display tool box'19995,894,423'Data processing system having an auto-ranging low voltage detection circuit'1999Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1999–2004Patents assigned to HAND TOOL DESIGN CORP (12)· patent assignee history
1999–2010Based in Taichung, TW· patent location history
1999–2005Based in Austin, TX, US· patent location history
2005–2013Patents assigned to LING DAVID (3)· patent assignee history
2007–2010Patents assigned to EASCO HAND TOOLS INC (3)· patent assignee history
2010Patents assigned to IPASS INC (2)· patent assignee history
2010Based in San Francisco, CA, US· patent location history
2013Patents assigned to ABBASPOUR SOROUSH (1)· patent assignee history
2013Based in Upper Saddle River, NJ, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HAND TOOL DESIGN CORP | 12 | 1999–2004 |
| EASCO HAND TOOLS INC | 3 | 2007–2010 |
| LING DAVIDself | 3 | 2005–2013 |
| IPASS INC | 2 | 2010 |
| ABBASPOUR SOROUSH | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Taichung, TW | 17 | 1999–2010 |
| San Francisco, California, US | 2 | 2010 |
| Austin, Texas, US | 2 | 1999–2005 |
| Upper Saddle River, New Jersey, US | 1 | 2013 |