Michael B. Spektor

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Portland, OR, US

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Patents Grantslast 30 patents

Information Patent Grant
Optimized soil penetrating machine
- Patent number 9,441,419
- Issue date Sep 13, 2016
- Michael B. Spektor
- E21 - EARTH DRILLING MINING
Information Patent Grant
Reversible penetrating machine with a differential air distributing...
- Patent number 7,273,113
- Issue date Sep 25, 2007
- Michael B. Spektor
- E21 - EARTH DRILLING MINING
Information Patent Grant
Monotube differential pneumopercussive reversible self-propelled so...
- Patent number 5,467,831
- Issue date Nov 21, 1995
- Michael B. Spektor
- E21 - EARTH DRILLING MINING
Information Patent Grant
Differential pneumopercussive reversible self-propelled soil penetr...
- Patent number 5,311,950
- Issue date May 17, 1994
- Michael B. Spektor
- E21 - EARTH DRILLING MINING
Information Patent Grant
Pneumopercussive machine
- Patent number 5,226,487
- Issue date Jul 13, 1993
- MBS Advanced Engineering Systems
- Michael B. Spektor
- E21 - EARTH DRILLING MINING
Information Patent Grant
Pneumopercussive soil penetrating machine
- Patent number 5,031,706
- Issue date Jul 16, 1991
- MBS Advanced Engineering Systems
- Michael B. Spektor
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
OPTIMIZED SOIL PENETRATING MACHINE
- Publication number 20160040481
- Publication date Feb 11, 2016
- Michael B. Spektor
- E21 - EARTH DRILLING MINING
Information Patent Application
OPTIMIZED PNEUMATIC HAMMER
- Publication number 20150273676
- Publication date Oct 1, 2015
- Michael B. Spektor
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Application
Reversible penetrating machine with a springless pneumatically load...
- Publication number 20060207794
- Publication date Sep 21, 2006
- Spektor Engineering Inc.
- Michael B. Spektor
- E21 - EARTH DRILLING MINING