Markku Keskiniva

USPTO Granted Patents = 22 (Patent Applications = 2)

CIPO Patents = 6

EPO Patents = 15 (Patent Applications = 10)

Average Co-Inventor Count = 3.3

ph-index = 5

Forward Citations = 95(Granted Patents)

Location History:

Tampere, FI (2005 - 2012)
Ylöjärvi, FI (2007 - 2015)
Lempäälä, FI (2022)

Company Filing History:

15 out of 234

Sandvik Mining and Construction Oy

Sandvik Intellectual Property Ab

Years Active: 2005-2022

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22 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 11319755 - Arrangement and method for installing casing (2022-05-03),

2. 9138879 - Method and arrangement for lubricating drill shank of rock drilling machine (2015-09-22),

3. 9108311 - Percussion device (2015-08-18),

4. 9067310 - Sealing arrangement in rotating control valve of pressure fluid-operated percussion device (2015-06-30),

5. 8151901 - Impact device and method for generating stress pulse therein (2012-04-10),

6. 8061434 - Percussion device (2011-11-22),

7. 7895900 - Measuring device, rock breaking device and method of measuring stress wave (2011-03-01),

8. 7891437 - Method for breaking rock (2011-02-22),

9. 7878263 - Pressure-fluid-operated percussion device (2011-02-01),

10. 7836969 - Method for controlling pressure fluid operated percussion device, and percussion device (2010-11-23),

11. 7743851 - Method and rock drilling rig for hole drilling (2010-06-29),

12. 7717190 - Method for controlling percussion device, software production, and percussion device (2010-05-18),

13. 7441608 - Percussion device with a transmission element compressing an elastic energy storing material (2008-10-28),

14. 7322425 - Method of generating stress pulse in tool by means of pressure fluid operated impact device, and impact device (2008-01-29),

15. 7290622 - Impact device with a rotable control valve (2007-11-06),

Title: **Markku Keskiniva: Innovator in Rock Drilling Technology**

Introduction

Markku Keskiniva is a well-respected inventor based in Tampere, Finland. With an impressive portfolio of 21 patents to his name, he has made significant contributions to the field of rock drilling technology. His innovative solutions enhance efficiency and performance in various equipment used in the mining and construction industries.

Latest Patents

Among his latest patents is a pioneering method and arrangement for lubricating the drill shank of a rock drilling machine. This method focuses on directing part of the flow of pressure fluid from a hydraulic circuit to the rotation mechanism of the drill shank, ensuring optimal lubrication and improved performance during operation. Another notable invention is a percussion device that features a frame and a movable tool. This device includes a work chamber with a transmission piston designed to generate longitudinal stress pulses in the tool. The design also incorporates inlet and outlet channels for pressure fluid management, making the percussion device highly efficient.

Career Highlights

Markku has had a remarkable career, working with industry leaders such as Sandvik Mining and Construction Oy and Sandvik Tamrock Oy. His experience in these companies has greatly influenced his inventive pursuits and has contributed to his impressive patent portfolio.

Collaborations

Throughout his career, Markku has collaborated with talented individuals, including colleagues like Erkki Ahola and Mauri Esko. These partnerships have allowed him to leverage their expertise to foster innovative solutions in the rock drilling sector.

Conclusion

Markku Keskiniva's dedication to innovation in rock drilling technology has made him a notable figure in his field. With his extensive experience and numerous patents, he continues to drive advancements that revolutionize equipment used in construction and mining, underscoring the vital role of inventors in technological progress.

This text is generated by artificial intelligence and may not be accurate.