Inventor
Kale R. Johnson
Inventor
Minneapolis, MN, US
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A47Lprimary
A47LDomestic washing or cleaning31%
H01JElectric discharge tubes or discharge lamps15%
B60KArrangement or mounting of propulsion units or of transmissions in vehicles8%
B60LPropulsion of electrically-propelled vehicles8%
B60WConjoint control of vehicle sub-units of different type or different function8%
B60YIndexing scheme relating to aspects cross-cutting vehicle technology8%
F16BDevices for fastening or securing constructional elements or machine parts together, e.g. nails, bolts, circlips, clamps, clips or wedges8%
Y02TClimate change mitigation technologies related to transportation8%
Y10TTechnical subjects covered by former us classification8%
PatentTitleYear
10,262,849Active stabilization of ion trap radiofrequency potentials201910,076,219Scrubber machine20189,991,105Active stabilization of ion trap radiofrequency potentials20189,937,918Hybrid sweeper-scrubber control method and system20189,375,124'Scrub deck retraction apparatus'20169,341,209'Squeegee retainer clip'20168,166,606'Squeegee assembly'2012Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2012–2018Patents assigned to JOHNSON KALE R (4)· patent assignee history
2012–2018Based in Minneapolis, MN, US· patent location history
2016Patents assigned to HALL AARON T (2)· patent assignee history
2016Patents assigned to NILFISK INC (2)· patent assignee history
2018Patents assigned to NILFISK AS (2)· patent assignee history
2018–2019Patents assigned to UNIV MARYLAND (2)· patent assignee history
2018–2019Based in Milford, CT, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| JOHNSON KALE Rself | 4 | 2012–2018 |
| HALL AARON T | 2 | 2016 |
| NILFISK AS | 2 | 2018 |
| NILFISK INC | 2 | 2016 |
| UNIV MARYLAND | 2 | 2018–2019 |
Locations
| Location | Patents | Span |
|---|---|---|
| Minneapolis, Minnesota, US | 5 | 2012–2018 |
| Milford, CT, US | 2 | 2018–2019 |