Inventor
Steven S. Kirckof
Inventor
Woodbury, MN, US
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A61Lprimary
A61LMethods or apparatus for sterilising materials or objects in general36%
G01NInvestigating or analysing materials by determining their chemical or physical properties14%
Y10TTechnical subjects covered by former us classification14%
C09DCoating compositions, e.g. paints, varnishes or lacquers9%
G16HHealthcare informatics, i.e. information and communication technology [ict] specially adapted for the handling or processing of medical or healthcare data9%
B05DProcesses for applying fluent materials to surfaces, in general5%
C12QMeasuring or testing processes involving enzymes, nucleic acids or microorganisms5%
G01KMeasuring temperature5%
G09FDisplaying5%
PatentTitleYear
9,588,052'Water-based organic bismuth, elemental sulfur and lithium carbonate sterilization indicator composition'20179,170,245'Chemical indicator composition, indicators and methods'20159,114,186'Sterilization process challenge device'20158,492,162'Electronic system for tracking and monitoring articles to be sterilized and associated method'20136,488,890'Machine readable sterilization indicator for monitoring articles to be sterilized'20026,485,979'Electronic system for tracking and monitoring articles to be sterilized and associated method'20026,485,978'Method of using a chemical indicator'20025,565,634'Electronic test pack using parametric measurements for sterlizers'19964,850,716'Remotely detectable sterilization monitor'1989Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1989–1996Patents assigned to MINNESOTA MINING & MFG (2)· patent assignee history
1989–1996Based in Oakdale, MN, US· patent location history
2002–2017Patents assigned to 3M INNOVATIVE PROPERTIES CO (7)· patent assignee history
2002–2017Based in Woodbury, MN, US· patent location history
2013–2015Patents assigned to KIRCKOF STEVEN S (3)· patent assignee history
2013Patents assigned to BOLEA PHILIP A (1)· patent assignee history
2015Patents assigned to FOLTZ WILLIAM E (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| 3M INNOVATIVE PROPERTIES CO | 7 | 2002–2017 |
| KIRCKOF STEVEN Sself | 3 | 2013–2015 |
| MINNESOTA MINING & MFG | 2 | 1989–1996 |
| BOLEA PHILIP A | 1 | 2013 |
| FOLTZ WILLIAM E | 1 | 2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Woodbury, Minnesota, US | 7 | 2002–2017 |
| Oakdale, Minnesota, US | 2 | 1989–1996 |