Magnusson; Kristina M.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Magnusson; Kristina M..The latest application filed is for "darkening filter comprising a non-uniform pattern of switchable shutters".
- Magnusson; Kristina M. - Djurmo SE
- Magnusson; Kristina M. - Gagnef SE
| Patent | Date |
|---|---|
| Protective headgear comprising a curved switchable shutter and comprising multiple antireflective layers Grant 11,413,190 - Magnusson , et al. August 16, 2 | 2022-08-16 |
| Darkening Filter Comprising A Non-uniform Pattern Of Switchable Shutters App 20220249290 - Donoghue; Claire R. ; et al. | 2022-08-11 |
| Welding helmet having a filter arrangement Grant 11,324,633 - Magnusson , et al. May 10, 2 | 2022-05-10 |
| Curved Eye Protection Shield For Welding Protection App 20220031514 - Magnusson; Kristina M. ; et al. | 2022-02-03 |
| Vision-protective headgear with automatic darkening filter comprising an array of switchable shutters Grant 11,160,687 - Billingsley , et al. November 2, 2 | 2021-11-02 |
| Curved eye protection shield for welding protection Grant 11,129,748 - Magnusson , et al. September 28, 2 | 2021-09-28 |
| Vision-Protective Headgear with Automatic Darkening Filter Comprising an Array of Switchable Shutters App 20210145644 - Billingsley; Britton G. ; et al. | 2021-05-20 |
| Curved, Arcuately-bonded Liquid Crystal Cell And Method Of Making App 20210055597 - Magnusson; Kristina M. ; et al. | 2021-02-25 |
| Protective Headgear Comprising A Curved Switchable Shutter And Comprising Multiple Antireflective Layers App 20200390606 - Magnusson; Kristina M. ; et al. | 2020-12-17 |
| Curved, arcuately-bonded liquid crystal cell and method of making Grant 10,866,442 - Magnusson , et al. December 15, 2 | 2020-12-15 |
| Welding protector with magnifying cover Grant 10,821,026 - Magnusson , et al. November 3, 2 | 2020-11-03 |
| Welding Helmet Having A Filter Arrangement App 20200289324 - Magnusson; Kristina M. ; et al. | 2020-09-17 |
| Curved, Arcuately-bonded Liquid Crystal Cell And Method Of Making App 20200278574 - Magnusson; Kristina M. ; et al. | 2020-09-03 |
| Protective headgear comprising a curved switchable shutter and comprising multiple antireflective layers Grant 10,758,420 - Magnusson , et al. Sep | 2020-09-01 |
| Automatic darkening filter apparatus and method Grant 10,426,667 - Magnusson , et al. October 1, 2 | 2019-10-01 |
| Flat Automatic Darkening Filter And Welding Protector App 20190258111 - Magnusson; Kristina M. ; et al. | 2019-08-22 |
| A Curved Eye Protection Shield For Welding Protection App 20190142640 - Magnusson; Kristina M. ; et al. | 2019-05-16 |
| Welding Protector With Magnifying Cover App 20190125586 - Magnusson; Kristina M. ; et al. | 2019-05-02 |
| Curved Automatic-Darkening Filter App 20190107749 - Magnusson; Kristina M. ; et al. | 2019-04-11 |
| Protective Headgear Comprising A Curved Switchable Shutter And Comprising Multiple Antireflective Layers App 20190091069 - Magnusson; Kristina M. ; et al. | 2019-03-28 |
| Curved automatic-darkening filter Grant 10,114,242 - Magnusson , et al. October 30, 2 | 2018-10-30 |
| Automatic Darkening Filter Apparatus And Method App 20170367891 - MAGNUSSON; Kristina M. ; et al. | 2017-12-28 |
| Curved Automatic-Darkening Filter App 20160262467 - Magnusson; Kristina M. ; et al. | 2016-09-15 |
| Automatic welding filter with tunable spectral transmission Grant 9,254,226 - Magnusson , et al. February 9, 2 | 2016-02-09 |
| Automatic Welding Filter With Tunable Spectral Transmission App 20150001378 - Magnusson; Kristina M. ; et al. | 2015-01-01 |
| Curved Automatic-Darkening Filter App 20140168546 - Magnusson; Kristina M. ; et al. | 2014-06-19 |
| Automatic darkening filter with offset polarizers Grant 7,884,888 - Magnusson , et al. February 8, 2 | 2011-02-08 |
| Automatic Darkening Filter With Offset Polarizers App 20090079886 - Magnusson; Kristina M. ; et al. | 2009-03-26 |
| Automatic darkening filter with offset polarizers Grant 7,477,330 - Magnusson , et al. January 13, 2 | 2009-01-13 |
| Automatic darkening filter with offset polarizers App 20060203148 - Magnusson; Kristina M. ; et al. | 2006-09-14 |
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