Ahola; Erkki

Patent Applications and Registrations

Patent applications and USPTO patent grants for Ahola; Erkki.The latest application filed is for "vehicle accessory arrangement".

Company Profile

3.18.18

Ahola; Erkki - Kangasala FI

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Vehicle accessory arrangement Grant 11,307,588 - Ahola , et al. April 19, 2	2022-04-19
Vehicle Comprising A Vehicle Accessory Arrangement App 20200283018 - AHOLA; Erkki ; et al.	2020-09-10
Vehicle Accessory Arrangement App 20200285237 - AHOLA; Erkki ; et al.	2020-09-10
Method and apparatus for small-charge blasting Grant 8,418,618 - Ahola , et al. April 16, 2	2013-04-16
Method and equipment for small-charge blasting Grant 8,342,261 - Ahola , et al. January 1, 2	2013-01-01
Impact device and method for generating stress pulse therein Grant 8,151,901 - Keskiniva , et al. April 10, 2	2012-04-10
Percussion device Grant 8,061,434 - Keskiniva , et al. November 22, 2	2011-11-22
Method for breaking rock Grant 7,891,437 - Keskiniva , et al. February 22, 2	2011-02-22
Pressure-fluid-operated percussion device Grant 7,878,263 - Keskiniva , et al. February 1, 2	2011-02-01
Method for controlling pressure fluid operated percussion device, and percussion device Grant 7,836,969 - Ahola , et al. November 23, 2	2010-11-23
Method And Apparatus For Small-charge Blasting App 20100275801 - Ahola; Erkki ; et al.	2010-11-04
Method And Equipment For Small-charge Blasting App 20100270076 - Ahola; Erkki ; et al.	2010-10-28
Method and rock drilling rig for hole drilling Grant 7,743,851 - Keskiniva , et al. June 29, 2	2010-06-29
Method for controlling percussion device, software production, and percussion device Grant 7,717,190 - Keskiniva , et al. May 18, 2	2010-05-18
Method for Controlling Pressure Fluid Operated Percussion Device, and Percussion Device App 20090266568 - Ahola; Erkki ; et al.	2009-10-29
Method for controlling percussion device, software production, and percussion device App 20090188686 - Keskiniva; Markku ; et al.	2009-07-30
Method and Rock Drilling Rig for Hole Drilling App 20090065256 - Keskiniva; Markku ; et al.	2009-03-12
Percussion Device App 20090025948 - Keskiniva; Markku ; et al.	2009-01-29
Percussion device with a transmission element compressing an elastic energy storing material Grant 7,441,608 - Keskiniva , et al. October 28, 2	2008-10-28
Method of generating stress pulse in tool by means of pressure fluid operated impact device, and impact device Grant 7,322,425 - Keskiniva , et al. January 29, 2	2008-01-29
Method for Breaking Rock App 20080000666 - Keskiniva; Markku ; et al.	2008-01-03
Impact device with a rotable control valve Grant 7,290,622 - Keskiniva , et al. November 6, 2	2007-11-06
Percussion device with a transmission element compressing an elastic energy storing material App 20070246236 - Keskiniva; Markku ; et al.	2007-10-25
Pressure-Fluid-Operated Percussion Device App 20070199725 - Keskiniva; Markku ; et al.	2007-08-30
Percussion device with a transmission element compressing an elastic energy storing material Grant 7,252,154 - Keskiniva , et al. August 7, 2	2007-08-07
Control valve and a method for a percussion device with a working cycle involving several coupling moments Grant 7,178,447 - Koskimaki , et al. February 20, 2	2007-02-20
Control valve in a percussion device and a method comprising a closed pressure space at the end position of the piston Grant 7,174,824 - Koskimaki , et al. February 13, 2	2007-02-13
Method of generating stress pulse in tool by means of pressure fluid operated impact device, and impact device App 20060185864 - Keskiniva; Markku ; et al.	2006-08-24
Control valve in a percussion device and a method comprising a closed pressure space at the end position of the piston App 20060175091 - Koskimaki; Antti ; et al.	2006-08-10
Control valve and a method for a percussion device with a working cycle involving several coupling moments App 20060169468 - Koskimaki; Antti ; et al.	2006-08-03
Impact device and method for generating stress pulse therein App 20060157259 - Keskiniva; Markku ; et al.	2006-07-20
Impact device Grant 7,013,996 - Keskiniva , et al. March 21, 2	2006-03-21
Impact device with a rotable control valve App 20060032649 - Keskiniva; Markku ; et al.	2006-02-16
Percussion device with a transmission element compressing an elastic energy storing material App 20050139368 - Keskiniva, Markku ; et al.	2005-06-30
Impact device App 20040226752 - Keskiniva, Markku ; et al.	2004-11-18

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