Kallman; Bengt
Patent Applications and Registrations
Patent applications and USPTO patent grants for Kallman; Bengt.The latest application filed is for "powered air-purifying respirator".
- Kallman; Bengt - Leksand SE
| Patent | Date |
|---|---|
| Powered air-purifying respirator Grant 10,441,828 - Curran , et al. Oc | 2019-10-15 |
| Powered Air-Purifying Respirator App 20160213955 - Curran; Desmond T. ; et al. | 2016-07-28 |
| Powered air purifying respirator unit control panel Grant D739,007 - Kallman , et al. September 15, 2 | 2015-09-15 |
| Method of controlling a powered air purifying respirator Grant 9,119,979 - Curran , et al. September 1, 2 | 2015-09-01 |
| Powered Air Purifying Respirator App 20130092164 - Curran; Desmond T. ; et al. | 2013-04-18 |
| Method Of Controlling A Powered Air Purifying Respirator App 20120260918 - Sayers; Terence M. ; et al. | 2012-10-18 |
| Method of Controlling a Powered Air Purifying Respirator App 20120138051 - Curran; Desmond T. ; et al. | 2012-06-07 |
| Process and device for flow control of an electrical motor fan Grant 7,244,106 - Kallman , et al. July 17, 2 | 2007-07-17 |
| Process and device for flow control of an electrical motor fan App 20040101412 - Kallman, Bengt ; et al. | 2004-05-27 |
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