Inventor
Josef A. Graessle
Inventor
Kaarst, DE
Overview
Patents· 10 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%
C12MApparatus for enzymology or microbiology29%
A61LMethods or apparatus for sterilising materials or objects in general12%
G08BSignalling systems, e.g. personal calling systems12%
G06MCounting mechanisms6%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
PatentTitleYear
8,759,080'Back side plate illumination for biological growth plate scanner'20148,094,916'Biological growth plate scanner'20127,865,008'Biological growth plate scanner with automated intake'20117,496,225'Biological growth plate scanner with automated intake'20095,805,065'Electro-magnetic desensitizer'19985,573,950'Cassette for disposable microorganism culturing media and automated scanning system'19965,565,634'Electronic test pack using parametric measurements for sterlizers'19965,403,722'Technique to count objects in a scanned image'19955,334,841'Method and apparatus for detecting fluorescence'19945,210,524'Electro-magnetic desensitizer'1993Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1993–1998Patents assigned to MINNESOTA MINING & MFG (6)· patent assignee history
1993Based in Nuess, DE· patent location history
1994–2011Based in Kaarst, DE· patent location history
1995Based in Ludwigshafen (Rhine), DT· patent location history
2009–2014Patents assigned to 3M INNOVATIVE PROPERTIES CO (4)· patent assignee history
2012–2014Patents assigned to GRAESSLE JOSEF A (2)· patent assignee history
2012–2014Patents assigned to SCHENK STEPHEN B (2)· patent assignee history
2012–2014Based in Meerbuscher, DE· patent location history
2014Patents assigned to LEA MICHAEL C (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MINNESOTA MINING & MFG | 6 | 1993–1998 |
| 3M INNOVATIVE PROPERTIES CO | 4 | 2009–2014 |
| GRAESSLE JOSEF Aself | 2 | 2012–2014 |
| SCHENK STEPHEN B | 2 | 2012–2014 |
| LEA MICHAEL C | 1 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kaarst, DE | 6 | 1994–2011 |
| Meerbuscher, DE | 2 | 2012–2014 |
| Ludwigshafen (Rhine), DT | 1 | 1995 |
| Nuess, DE | 1 | 1993 |