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Dennis Henke
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Rheda-Wiedenbruck, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Semi-hollow punch rivet, a punch rivet joint of at least two compon...
Patent number
11,686,336
Issue date
Jun 27, 2023
Bollhoff Verbindungstechnik GmbH
Sergej Erbis
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Installation tool for a wire thread insert having an installation p...
Patent number
10,773,365
Issue date
Sep 15, 2020
Bollhoff Verbindungstechnik GmbH
Andreas Marxkors
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Grant
Semi-tubular self-piercing rivet for thin sheet metal joints, metho...
Patent number
10,683,884
Issue date
Jun 16, 2020
Bollhoff Verbindungstechnik GmbH
Mathias Heger
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Self-piercing rivet die
Patent number
10,632,523
Issue date
Apr 28, 2020
Bollhoff Verbindungstechnik GmbH
Dennis Henke
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Adjustment aid for a joining device having a punch and a counter-to...
Patent number
9,968,987
Issue date
May 15, 2018
Bollhoff Verbindungstechnik GmbH
Dennis Henke
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Patents Applications
last 30 patents
Information
Patent Application
JOINING ELEMENT, CONNECTION STRUCTURE WITH THE JOINING ELEMENT, MAN...
Publication number
20210239146
Publication date
Aug 5, 2021
Bollhoff Verbindungstechnik GmbH
Daniel Junklewitz
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
SEMI-HOLLOW PUNCH RIVET, A PUNCH RIVET JOINT OF AT LEAST TWO COMPON...
Publication number
20200240452
Publication date
Jul 30, 2020
Bollhoff Verbindungstechnik GmbH
Sergej Erbis
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
SELF-PIERCING RIVET DIE
Publication number
20190084032
Publication date
Mar 21, 2019
Bollhoff Verbindungstechnik GmbH
Dennis Henke
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
SEMI-TUBULAR SELF-PIERCING RIVET FOR THIN SHEET METAL JOINTS, METHO...
Publication number
20180266465
Publication date
Sep 20, 2018
Bollhoff Verbindungstechnik GmbH
Mathias Heger
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
INSTALLATION TOOL FOR A WIRE THREAD INSERT HAVING AN INSTALLATION P...
Publication number
20170361440
Publication date
Dec 21, 2017
Bollhoff Verbindungstechnik GmbH
Andreas Marxkors
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Application
SELF-PIERCING RIVET
Publication number
20170009794
Publication date
Jan 12, 2017
Bollhoff Verbindungstechnik GmbH
Dennis Henke
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
ADJUSTMENT AID FOR A JOINING DEVICE HAVING A PUNCH AND A COUNTER-TO...
Publication number
20160107223
Publication date
Apr 21, 2016
Bollhoff Verbindungstechnik GmbH
Dennis Henke
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...