Arto Alfthan

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Tarttila, FI

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Patents Grantslast 30 patents

Information Patent Grant
Cylinder with check valve
- Patent number 10,920,802
- Issue date Feb 16, 2021
- Deere & Company
- Arto Alfthan
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Log processing head
- Patent number 10,806,103
- Issue date Oct 20, 2020
- Deere & Company
- Arto Alfthan
- B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information Patent Grant
Automatic track tensioning system
- Patent number 7,914,087
- Issue date Mar 29, 2011
- Deere & Company
- Arto Alfthan
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Control coupling for changing the feeding speed of feeding members...
- Patent number 7,644,580
- Issue date Jan 12, 2010
- John Deere Forestry Oy
- Arto Alfthan
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Arrangement in a circulation lubrication system
- Patent number 6,457,563
- Issue date Oct 1, 2002
- Safematic Oy
- Kari Ahlbom
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Arrangement in a circulation lubrication system
- Patent number 6,341,667
- Issue date Jan 29, 2002
- Safematic Oy
- Kari Ahlbom
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
METHOD AND SYSTEM FOR CONTROLLING TOOL
- Publication number 20200361011
- Publication date Nov 19, 2020
- Deere & Company
- Arto Alfthan
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Cylinder with Check Valve
- Publication number 20190219075
- Publication date Jul 18, 2019
- Waratah OM Oy
- ARTO ALFTHAN
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Application
Log Processing Head
- Publication number 20180303046
- Publication date Oct 25, 2018
- Deere & Company
- Arto Alfthan
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Application
Automatic Track Tensioning System
- Publication number 20090072617
- Publication date Mar 19, 2009
- Arto Alfthan
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Application
Control coupling for changing the feeding speed of feeding members...
- Publication number 20070125447
- Publication date Jun 7, 2007
- Arto Alfthan
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING