Inventor
Michael Fehr
Inventor
Geneva, IL, US
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F41Hprimary
F41HArmour24%
G01NInvestigating or analysing materials by determining their chemical or physical properties24%
C12QMeasuring or testing processes involving enzymes, nucleic acids or microorganisms12%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests12%
Y10TTechnical subjects covered by former us classification12%
B65DContainers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers6%
D21CProduction of cellulose by removing non-cellulose substances from cellulose-containing materials6%
G02BOptical elements, systems or apparatus6%
PatentTitleYear
9,746,661'Protective device for a lens'20177,772,009'Room temperature phosphorescence apparatus and methods'20106,440,689'Measurement of microbiological activity in an opaque medium'20026,369,894'Modular fluorometer'20026,329,165'Measurement and control of sessile and planktonic microbiological activity in industrial water systems'20016,255,118'Method for using an all solid-state fluorometer in industrial water system applications'20015,408,783'Device for opening and closing a hatch on a combat vehicle, especially a military tank'19955,105,718'Manually operated wheel for activating the hatch on a combat vehicle, especially a tank'19925,105,714'Armored combat vehicle, especially a military tank'1992Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1992Patents assigned to WEGMANN & CO (2)· patent assignee history
1992–1995Based in Udenborn, DE· patent location history
2001–2002Patents assigned to NALCO CHEMICAL CO (3)· patent assignee history
2001–2010Based in Geneva, IL, US· patent location history
2001Based in Lisle, IL, US· patent location history
2002Patents assigned to ONDEO NALCO CO (1)· patent assignee history
2010Patents assigned to SCR RES LLC (1)· patent assignee history
2017Patents assigned to KRAUSS MAFFEI WEGMANN GMBH & CO KG (1)· patent assignee history
2017Based in Kassel, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NALCO CHEMICAL CO | 3 | 2001–2002 |
| WEGMANN & CO | 2 | 1992 |
| KRAUSS MAFFEI WEGMANN GMBH & CO KG | 1 | 2017 |
| ONDEO NALCO CO | 1 | 2002 |
| SCR RES LLC | 1 | 2010 |
Locations
| Location | Patents | Span |
|---|---|---|
| Geneva, Illinois, US | 4 | 2001–2010 |
| Udenborn, DE | 3 | 1992–1995 |
| Kassel, DE | 1 | 2017 |
| Lisle, Illinois, US | 1 | 2001 |