Lawrence R. Lafler

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St. Cloud, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Pneumatic volume booster for valve positioner
- Patent number 6,668,848
- Issue date Dec 30, 2003
- SPX Corporation
- Lawrence R. Lafler
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Pneumatic volume booster for valve positioner
- Patent number 6,659,247
- Issue date Dec 9, 2003
- SPX Corporation
- Lawrence R. Lafler
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Position detection for rotary control valves
- Patent number 6,484,751
- Issue date Nov 26, 2002
- SPX Corporation
- Lawrence R. Lafler
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Pneumatic volume booster for valve positioner
- Patent number 6,357,335
- Issue date Mar 19, 2002
- Sox Corporation
- Lawrence R. Lafler
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Position detection for rotary control valves
- Patent number 6,244,296
- Issue date Jun 12, 2001
- SPX Corporation
- Lawrence R. Lafler
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Signal conditioner for a linear variable differential transformer
- Patent number 4,847,548
- Issue date Jul 11, 1989
- General Signal Corporation
- Lawrence R. Lafler
- G05 - CONTROLLING REGULATING

Patents Applicationslast 30 patents

Information Patent Application
Pneumatic volume booster for valve positioner
- Publication number 20020029811
- Publication date Mar 14, 2002
- SPX Corporation
- Lawrence R. Lafler
- B60 - VEHICLES IN GENERAL
Information Patent Application
Pneumatic volume booster for valve positioner
- Publication number 20020007727
- Publication date Jan 24, 2002
- SPX Corporation
- Lawrence R. Lafler
- B60 - VEHICLES IN GENERAL
Information Patent Application
Position detection for rotary control valves
- Publication number 20010027812
- Publication date Oct 11, 2001
- SPX Corporation, Michigan
- Lawrence R. Lafler
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...