Michael D. Langenfeld

Person

Pella, IA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Mounting arrangement for pullback adaptor
- Patent number 11,913,287
- Issue date Feb 27, 2024
- Vermeer Manufacturing Company
- Jacob Richard Smith
- E21 - EARTH DRILLING MINING
Information Patent Grant
Dual rod directional drilling system
- Patent number 11,808,151
- Issue date Nov 7, 2023
- Vermeer Manufacturing Company
- Michael D. Langenfeld
- E21 - EARTH DRILLING MINING
Information Patent Grant
Pullback system for drilling tool
- Patent number 11,697,967
- Issue date Jul 11, 2023
- Vermeer Manufacturing Company
- Jacob Richard Smith
- E21 - EARTH DRILLING MINING
Information Patent Grant
Rod coupler and coupled rod assembly
- Patent number 11,149,501
- Issue date Oct 19, 2021
- Vermeer Manufacturing Company
- Jacob Richard Smith
- E21 - EARTH DRILLING MINING
Information Patent Grant
Pullback system for drilling tool
- Patent number 11,105,156
- Issue date Aug 31, 2021
- Vermeer Manufacturing Company
- Tyler J. Dorin
- E21 - EARTH DRILLING MINING
Information Patent Grant
Dual rod directional drilling system
- Patent number 10,961,779
- Issue date Mar 30, 2021
- Vermeer Manufacturing Company
- Michael D. Langenfeld
- E21 - EARTH DRILLING MINING
Information Patent Grant
Dual rod directional drilling system
- Patent number 10,851,588
- Issue date Dec 1, 2020
- Vermeer Manufacturing Company
- Michael D. Langenfeld
- E21 - EARTH DRILLING MINING
Information Patent Grant
Dual rod directional drilling system
- Patent number 10,711,520
- Issue date Jul 14, 2020
- Vermeer Manufacturing Company
- Michael D. Langenfeld
- E21 - EARTH DRILLING MINING
Information Patent Grant
Tapered thread configuration with improved durability
- Patent number 10,227,832
- Issue date Mar 12, 2019
- Vermeer Manufacturing Company
- Michael D. Langenfeld
- E21 - EARTH DRILLING MINING
Information Patent Grant
Tapered thread configuration with improved durability
- Patent number 9,605,491
- Issue date Mar 28, 2017
- Vermeer Manufacturing Company
- Michael D. Langenfeld
- E21 - EARTH DRILLING MINING
Information Patent Grant
Tapered thread configuration with improved durability
- Patent number 9,016,366
- Issue date Apr 28, 2015
- Vermeer Manufacturing Company
- Michael D. Langenfeld
- E21 - EARTH DRILLING MINING
Information Patent Grant
Tapered thread configuration with improved durability
- Patent number 8,991,490
- Issue date Mar 31, 2015
- Vermeer Manufacturing Company
- Michael D. Langenfeld
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
PULLBACK SYSTEM FOR DRILLING TOOL
- Publication number 20230287741
- Publication date Sep 14, 2023
- Vermeer Manufacturing Company
- Jacob Richard Smith
- E21 - EARTH DRILLING MINING
Information Patent Application
MOUNTING ARRANGEMENT FOR PULLBACK ADAPTOR
- Publication number 20230079809
- Publication date Mar 16, 2023
- Vermeer Manufacturing Company
- Jacob Richard Smith
- E21 - EARTH DRILLING MINING
Information Patent Application
PULLBACK SYSTEM FOR DRILLING TOOL
- Publication number 20220268100
- Publication date Aug 25, 2022
- Vermeer Manufacturing Company
- Jacob Richard Smith
- E21 - EARTH DRILLING MINING
Information Patent Application
DUAL ROD DIRECTIONAL DRILLING SYSTEM
- Publication number 20210189802
- Publication date Jun 24, 2021
- Vermeer Manufacturing Company
- Michael D. Langenfeld
- E21 - EARTH DRILLING MINING
Information Patent Application
DUAL ROD DIRECTIONAL DRILLING SYSTEM
- Publication number 20200362635
- Publication date Nov 19, 2020
- Vermeer Manufacturing Company
- Michael D. Langenfeld
- E21 - EARTH DRILLING MINING
Information Patent Application
ROD COUPLER AND COUPLED ROD ASSEMBLY
- Publication number 20200291728
- Publication date Sep 17, 2020
- Vermeer Manufacturing Company
- Jacob Richard Smith
- E21 - EARTH DRILLING MINING
Information Patent Application
PULLBACK SYSTEM FOR DRILLING TOOL
- Publication number 20200165875
- Publication date May 28, 2020
- Vermeer Manufacturing Company
- Tyler J. Dorin
- E21 - EARTH DRILLING MINING
Information Patent Application
DUAL ROD DIRECTIONAL DRILLING SYSTEM
- Publication number 20180313169
- Publication date Nov 1, 2018
- Vermeer Manufacturing Company
- Michael D. Langenfeld
- E21 - EARTH DRILLING MINING
Information Patent Application
DUAL ROD DIRECTIONAL DRILLING SYSTEM
- Publication number 20180313157
- Publication date Nov 1, 2018
- Vermeer Manufacturing Company
- Michael D. Langenfeld
- E21 - EARTH DRILLING MINING
Information Patent Application
TAPERED THREAD CONFIGURATION WITH IMPROVED DURABILITY
- Publication number 20170314337
- Publication date Nov 2, 2017
- Vermeer Manufacturing Company
- Michael D. Langenfeld
- E21 - EARTH DRILLING MINING
Information Patent Application
TAPERED THREAD CONFIGURATION WITH IMPROVED DURABILITY
- Publication number 20150292275
- Publication date Oct 15, 2015
- Vermeer Manufacturing Company
- Michael D. Langenfeld
- E21 - EARTH DRILLING MINING
Information Patent Application
TAPERED THREAD CONFIGURATION WITH IMPROVED DURABILITY
- Publication number 20130084131
- Publication date Apr 4, 2013
- Vermeer Manufacturing Company
- Michael D. Langenfeld
- E21 - EARTH DRILLING MINING
Information Patent Application
TAPERED THREAD CONFIGURATION WITH IMPROVED DURABILITY
- Publication number 20120267170
- Publication date Oct 25, 2012
- Vermeer Manufacturing Company
- Michael D. Langenfeld
- E21 - EARTH DRILLING MINING

Michael D. Langenfeld

Person

Patents Grantslast 30 patents

Mounting arrangement for pullback adaptor

Dual rod directional drilling system

Pullback system for drilling tool

Rod coupler and coupled rod assembly

Pullback system for drilling tool

Dual rod directional drilling system

Dual rod directional drilling system

Dual rod directional drilling system

Tapered thread configuration with improved durability

Tapered thread configuration with improved durability

Tapered thread configuration with improved durability

Tapered thread configuration with improved durability

Patents Applicationslast 30 patents

PULLBACK SYSTEM FOR DRILLING TOOL

MOUNTING ARRANGEMENT FOR PULLBACK ADAPTOR

PULLBACK SYSTEM FOR DRILLING TOOL

DUAL ROD DIRECTIONAL DRILLING SYSTEM

DUAL ROD DIRECTIONAL DRILLING SYSTEM

ROD COUPLER AND COUPLED ROD ASSEMBLY

PULLBACK SYSTEM FOR DRILLING TOOL

DUAL ROD DIRECTIONAL DRILLING SYSTEM

DUAL ROD DIRECTIONAL DRILLING SYSTEM

TAPERED THREAD CONFIGURATION WITH IMPROVED DURABILITY

TAPERED THREAD CONFIGURATION WITH IMPROVED DURABILITY

TAPERED THREAD CONFIGURATION WITH IMPROVED DURABILITY

TAPERED THREAD CONFIGURATION WITH IMPROVED DURABILITY