Viktor I Yakovlev

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Krementschug, UA

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus and method for padding the ground below a duct using exca...
- Patent number 6,418,644
- Issue date Jul 16, 2002
- Obschetvo s Ogranichennoi Otvetstvennostju nauchho-issledovateelsky i Tekhnic...
- Alexandr V. Bykov
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Machine for digging into the lower layers of the ground
- Patent number 6,418,646
- Issue date Jul 16, 2002
- Obschestvo s Ogranichennoi Otvetstven nostju Nauchno-issledovatelsky i Takhni...
- Alexandr V. Bykov
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Machine for digging under pipes and caterpillar traction device
- Patent number 6,154,988
- Issue date Dec 5, 2000
- Obschestvo s orgranichennoi otvetstvennoshtju Nauchno issledovatelsky i tekhn...
- Alexandr V. Bykov
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Machine for uncovering a pipeline and operating element
- Patent number 6,148,549
- Issue date Nov 21, 2000
- Obschestvo S Orgranichennoi Otvetstvennostju Nauchnoissledovatelsky I Teknich...
- Alexandr V. Bykov
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING