Martikainen; Ilpo
Patent Applications and Registrations
Patent applications and USPTO patent grants for Martikainen; Ilpo.The latest application filed is for "directive multiway loudspeaker with a waveguide".
- Martikainen; Ilpo - Iisalmi FI
- Martikainen; Ilpo - Lisalmi FI
- Martikainen; Ilpo - Mantylahti N/A FI
| Patent | Date |
|---|---|
| Directive multiway loudspeaker with a waveguide Grant 11,026,017 - Makivirta , et al. June 1, 2 | 2021-06-01 |
| Directive multiway loudspeaker with a waveguide App 20200137483 - Makivirta; Aki ; et al. | 2020-04-30 |
| Loudspeaker with a waveguide Grant 10,491,992 - Vaisanen , et al. Nov | 2019-11-26 |
| Loudspeaker base Grant D850,420 - Koskinen , et al. | 2019-06-04 |
| Method and device for storing equalization settings in active loudspeaker Grant 10,135,414 - Makivirta , et al. November 20, 2 | 2018-11-20 |
| Loudspeaker Grant D820,236 - Koskinen , et al. June 12, 2 | 2018-06-12 |
| Suspension element for suspending the diaphragm of a loudspeaker driver to the chassis thereof as well as driver and loudspeaker comprising the same Grant 9,838,793 - Millar , et al. December 5, 2 | 2017-12-05 |
| Loudspeaker with a waveguide App 20170311075 - Vaisanen; Jussi ; et al. | 2017-10-26 |
| Loudspeaker Grant D794,605 - Koskinen , et al. August 15, 2 | 2017-08-15 |
| Loudspeaker and manufacturing method thereof Grant 9,462,373 - Kulomaki , et al. October 4, 2 | 2016-10-04 |
| Suspension Element for Suspending the Diaphragm of a Loudspeaker Driver to the Chassis Thereof as Well as Driver and Loudspeaker Comprising the Same App 20160142825 - Millar; Stephen ; et al. | 2016-05-19 |
| Loudspeaker with a wave guide Grant 9,071,908 - Vaisanen , et al. June 30, 2 | 2015-06-30 |
| Loudspeaker And Manufacturing Method Thereof App 20150139466 - Kulomaki; Markku ; et al. | 2015-05-21 |
| Method and device for storing equalization settings in active loudspeaker App 20150125000 - Makivirta; Aki ; et al. | 2015-05-07 |
| Drive unit mounting arrangement and loudspeaker Grant 9,020,178 - Martikainen , et al. April 28, 2 | 2015-04-28 |
| Loudspeaker with a wave guide App 20140369543 - Vaisanen; Jussi ; et al. | 2014-12-18 |
| Nested compound loudspeaker drive unit Grant 8,452,032 - Varla , et al. May 28, 2 | 2013-05-28 |
| Drive Unit Mounting Arrangement And Loudspeaker App 20120308063 - Martikainen; Ilpo ; et al. | 2012-12-06 |
| Reflex loudspeaker structure Grant 8,150,085 - Martikainen April 3, 2 | 2012-04-03 |
| Nested Compound Loudspeaker Drive Unit App 20110228966 - Varla; Ari ; et al. | 2011-09-22 |
| Reflex Loudspeaker Structure App 20090268934 - Martikainen; Ilpo | 2009-10-29 |
| Loudspeaker Grant D599,326 - Martikainen September 1, 2 | 2009-09-01 |
| Bass-reflex loudspeaker system and method of manufacturing the same Grant 7,051,835 - Martikainen May 30, 2 | 2006-05-30 |
| Loudspeaker Grant D521,494 - Koskinen , et al. May 23, 2 | 2006-05-23 |
| Bass-reflex loudspeaker sysstem and method of manufacturing the same App 20040104069 - Martikainen, Ilpo | 2004-06-03 |
| Loudspeaker Grant D482,676 - Martikainen November 25, 2 | 2003-11-25 |
| Loudspeaker Grant D480,066 - Martikainen September 30, 2 | 2003-09-30 |
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