Inventor
Richard Schulz
Inventor
Livermore, CA, US
Overview
13→
Patents
1981–2007
Patent span
General tagging of new technological developments
Primary field (CPC Y)
Patents· 13 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
Y10Tprimary
Y10TTechnical subjects covered by former us classification21%
E05BLocks11%
LOC2111%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests11%
A01BSoil working in agriculture or forestry5%
B25HWorkshop equipment, e.g. for marking-out work5%
B41FPrinting machines or presses5%
B41JTypewriters5%
B62DMotor vehicles5%
B65BMachines, apparatus or devices for, or methods of, packaging articles or materials5%
PatentTitleYear
7,210,405'Printer ink supply system with viscosity control'2007D0389534'Train engine'1998D0389535'Train car'1998D0372988'Collapsible scaffolding extension'19965,531,084'Key for rotary plug and cylinder lock, and method of forming the key'1996D0371445'Collapsible scaffolding'19965,485,735'Key operated rotary plug and cylinder lock'19964,892,043'Subsidiary bench top'19904,874,141'Freezer bag supporting stand'19894,782,917'Adjustable scaffold'19884,693,331'Tractor boom'19874,633,689'Anti-static switch lock with momentary position'19874,267,767'Position lock'1981Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1981–1987Patents assigned to HINIKER CO (2)· patent assignee history
1981–1987Based in Lake Crystal, MN, US· patent location history
1987–1996Patents assigned to EASTERN CO (3)· patent assignee history
1988–1990Patents assigned to SCHULZ RICHARD H (3)· patent assignee history
1988–1998Based in Livermore, CA, US· patent location history
1996–1998Patents assigned to SCHULZ RICHARD (4)· patent assignee history
1996Based in Wheeling, IL, US· patent location history
1996Based in Palatine, IL, US· patent location history
2007Patents assigned to ILLINOIS TOOL WORKS (1)· patent assignee history
2007Based in Carol Stream, IL, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SCHULZ RICHARDself | 4 | 1996–1998 |
| EASTERN CO | 3 | 1987–1996 |
| SCHULZ RICHARD Hself | 3 | 1988–1990 |
| HINIKER CO | 2 | 1981–1987 |
| ILLINOIS TOOL WORKS | 1 | 2007 |
Locations
| Location | Patents | Span |
|---|---|---|
| Livermore, California, US | 7 | 1988–1998 |
| Lake Crystal, Minnesota, US | 2 | 1981–1987 |
| Carol Stream, Illinois, US | 1 | 2007 |
| Wheeling, Illinois, US | 1 | 1996 |
| Palatine, Illinois, US | 1 | 1996 |