Johnny Bruhn

This inventor holds 14 USPTO granted patents and 1 published patent application and 6 EPO patents. Top assignees: Seco Tools Ab, Ab Sandvik Coromant. Active years: 1999-2026.

USPTO Granted Patents = 14 (Patent Applications = 1)

% Patents Active = 64.3

EPO Patents = 6 (Patent Applications = 1)

Average Co-Inventor Count = 2.8

ph-index = 7

Forward Citations = 262(Granted Patents)

Location History:

Vasterfarnebo, SE (2003 - 2004)
Våsterfårnebo, SE (2005)
Norberg, SE (1999 - 2006)
Västerf{umlaut over ())}{umlaut over (})}arnebo, SE (2007)
Västerafämebo, SE (2007)
Västerfärnebo, SE (2006 - 2008)

Company Filing History:

Years Active: 1999-2026

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14 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12594599 - Cutting tool (2026-04-07),

2. 7371344 - Method and apparatus for manufacturing a blank for a rotary cutting tool (2008-05-13),

3. 7311479 - Rotatable tool and a blank (2007-12-25),

4. 7303722 - Method of making tools or components (2007-12-04),

5. 7101167 - Method and a device for manufacturing a tool and a tool made by the method (2006-09-05),

6. 7094821 - Method of making tungsten carbide based hard metal tools or components (2006-08-22),

7. 6948890 - Drill having internal chip channel and internal flush channel (2005-09-27),

8. 6716388 - Tool for rotary chip removal, a tool tip and a method for manufacturing a tool tip (2004-04-06),

9. 6669414 - Method and a device for manufacturing a tool and a tool made by the method (2003-12-30),

10. 6551035 - Tool for rotary chip removal, a tool tip and a method for manufacturing a tool tip (2003-04-22),

11. 6450739 - Tool for chip removing machining and methods and apparatus for making the tool (2002-09-17),

12. 6402439 - Tool for chip removal machining (2002-06-11),

13. 6183688 - Tool for cutting machining (2001-02-06),

14. 5947660 - Tool for cutting machining (1999-09-07),

Title: The Innovative Contributions of Johnny Bruhn

Introduction

Johnny Bruhn is a notable inventor based in Norberg, Sweden. He has made significant contributions to the field of manufacturing, particularly in the development of rotary cutting tools. With a total of 14 patents to his name, Bruhn's work has had a lasting impact on the industry.

Latest Patents

Among his latest patents is a method and apparatus for manufacturing a blank for a rotary cutting tool. This innovative process involves advancing a mixture of hard metal powder and carrier through an extrusion passage. The mixture is fed past a core with pins to form internal holes, and then advanced through a rotating part that twists the mixture to a predetermined pitch. Additionally, shaping parts project into the extrusion passage to create exterior chip flutes. The mixture hardens into a green body, which is then sintered to form a blank. Another significant patent relates to a tool made of solid cemented carbide, featuring a shank for mounting in a rotatable spindle and chip flutes. The design includes flush channels that extend through the tool to transfer flushing medium to the cutting end.

Career Highlights

Throughout his career, Johnny Bruhn has worked with prominent companies such as Seco Tools AB and Sandvik Coromant. His experience in these organizations has allowed him to refine his skills and contribute to advancements in cutting tool technology.

Collaborations

Johnny has collaborated with talented individuals in the industry, including Mattias Puide and Mikael Grönkvist. These partnerships have fostered innovation and the sharing of ideas, further enhancing the quality of his inventions.

Conclusion

Johnny Bruhn's contributions to the field of manufacturing and rotary cutting tools are commendable. His innovative patents and collaborations reflect his dedication to advancing technology in this sector.