Inventor
Harry B. Lancelot, III
Inventor
Centerville, OH, US
Overview
Patents· 25 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E04Cprimary
E04CStructural elements23%
E04GScaffolding23%
LOC2513%
Y10TTechnical subjects covered by former us classification13%
F16BDevices for fastening or securing constructional elements or machine parts together, e.g. nails, bolts, circlips, clamps, clips or wedges8%
B28BShaping clay or other ceramic compositions5%
B66CCranes5%
E04BGeneral building constructions5%
B21JForging3%
B21KMaking forged or pressed metal products, e.g. horse-shoes, rivets, bolts or wheels3%
PatentTitleYear
7,222,460'Cover for a concrete construction'20076,857,235'Protective cover for reinforcing bar'20056,761,007'Structural tie shear connector for concrete and insulation composite panels'20046,755,385'Concrete void former and cooperating cover'20046,729,079'Concrete anchor'20046,647,674'Erection anchor for concrete panel'20036,460,824'Concrete void former and cooperating cover'2002D0438991'Concrete anchor including an elliptical base'2001D0438649'Concrete anchor including an octagonal base'2001D0437062'Concrete anchor including a hexagonal base'2001D0437063'Concrete anchor including a pentagonal base'2001D0436674'Concrete anchor'20016,099,196'Taper lock rebar splice joint'20006,089,779'Quick connect rebar splice'20006,082,700'Anchor positioning insert'20005,967,691'Quick connect rebar splice'19995,491,941'Slippage controlled threaded rebar joint in reinforced concrete'19965,383,740'Combination mechanical/grout sleeve coupling for concrete reinforcement bars'19955,152,118'Couplings for concrete reinforcement bars'19924,888,922'Setting hoist anchors in poured concrete structures'19894,671,554'Hoist coupling'19874,619,096'Rebar splicing and anchoring'19864,204,711'Coupling for lift system for concrete slabs'19804,158,940'Joist hanger'19794,124,962'Joist hanger'1978Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1978Patents assigned to BROWN CO (1)· patent assignee history
1978–1980Based in Fort Worth, TX, US· patent location history
1979–1980Patents assigned to BROWN (2)· patent assignee history
1986–1996Patents assigned to RICHMOND SCREW ANCHOR CO INC (6)· patent assignee history
1986–2000Based in Hurst, TX, US· patent location history
1999–2007Patents assigned to DAYTON SUPERIOR CORP (16)· patent assignee history
2001–2007Based in Centerville, OH, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DAYTON SUPERIOR CORP | 16 | 1999–2007 |
| RICHMOND SCREW ANCHOR CO INC | 6 | 1986–1996 |
| BROWN | 2 | 1979–1980 |
| BROWN CO | 1 | 1978 |
Locations
| Location | Patents | Span |
|---|---|---|
| Centerville, OH, US | 12 | 2001–2007 |
| Hurst, Texas, US | 10 | 1986–2000 |
| Fort Worth, Texas, US | 3 | 1978–1980 |