Inventor
Donald W. Hildebrandt
Inventor
Racine, WI, US
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A01Mprimary
A01MCatching, trapping or scaring of animals35%
A61LMethods or apparatus for sterilising materials or objects in general25%
A01NPreservation of bodies of humans or animals or plants or parts thereof10%
F23CMethods or apparatus for combustion using fluid fuel or solid fuel suspended in a carrier gas or air10%
F23DBurners10%
LOC225%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%
PatentTitleYear
6,551,560'Two-stage dispensing mat'20036,286,248'Rope-like fumigant'20016,061,950'Burnable coil holder'20005,928,605'Device for dispensing a volatile substance'1999D0404459'Container for burnable insect coils'19995,700,430'Device for dispensing a volatile substance'19974,851,218'Method for controlling insects of the family vespidae utilizing interspecific insecticidal bait'19894,696,126'Method of trapping flying insects'19874,689,915'Trap for houseflies'1987Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1987–2003Patents assigned to JOHNSON & SON INC S C (7)· patent assignee history
1987–2003Based in Racine, WI, US· patent location history
1997–1999Patents assigned to SCHAWBEL CORP (2)· patent assignee history
1999–2000Based in Yorkville, WI, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| JOHNSON & SON INC S C | 7 | 1987–2003 |
| SCHAWBEL CORP | 2 | 1997–1999 |
Locations
| Location | Patents | Span |
|---|---|---|
| Racine, WI, US | 6 | 1987–2003 |
| Yorkville, WI, US | 3 | 1999–2000 |