Lawrence B. Marsh

Person

Buckeystown, MD, US

People

Patents Grantslast 30 patents

Information Patent Grant
Electromagnetic boat speedometer having removable electrodes
- Patent number 10,416,187
- Issue date Sep 17, 2019
- Lawrence B. Marsh
- G01 - MEASURING TESTING
Information Patent Grant
Magnetic flowmeter having a separable magnet/electrode assembly
- Patent number 6,598,487
- Issue date Jul 29, 2003
- Marsh-McBirney, Inc.
- Lawrence B. Marsh
- G01 - MEASURING TESTING
Information Patent Grant
Open channel flowmeter utilizing surface velocity and lookdown leve...
- Patent number 5,811,688
- Issue date Sep 22, 1998
- Marsh-McBirney, Inc.
- Lawrence B. Marsh
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Self-calibrating open-channel flowmeter
- Patent number 5,684,250
- Issue date Nov 4, 1997
- Marsh-McBirney, Inc.
- Lawrence B. Marsh
- G01 - MEASURING TESTING
Information Patent Grant
Tracer type flowmeter and method using two or more injected trace m...
- Patent number 5,594,179
- Issue date Jan 14, 1997
- Marsh-McBirney, Inc.
- Lawrence B. Marsh
- G01 - MEASURING TESTING
Information Patent Grant
Magnetic flowmeter having a separable magnetic assembly
- Patent number 5,398,552
- Issue date Mar 21, 1995
- Marsh-McBirney, Inc.
- Lawrence B. Marsh
- G01 - MEASURING TESTING
Information Patent Grant
Pump station flowmeter
- Patent number 5,385,056
- Issue date Jan 31, 1995
- Marsh-McBirney, Inc.
- Lawrence B. Marsh
- B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
Information Patent Grant
Pump station flowmeter with sudden high inflow change detector
- Patent number 5,313,842
- Issue date May 24, 1994
- Marsh-McBirnes, Inc.
- Lawrence B. Marsh
- B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
Information Patent Grant
Flowmeter with concentrically arranged electromagnetic field
- Patent number 5,263,374
- Issue date Nov 23, 1993
- Marsh-McBirney, Inc.
- Lawrence B. Marsh
- G01 - MEASURING TESTING
Information Patent Grant
Averaging velocity sensor for measuring fluid flow in a conduit
- Patent number 4,688,432
- Issue date Aug 25, 1987
- Lawrence B. Marsh
- G01 - MEASURING TESTING
Information Patent Grant
Pressure level sensor
- Patent number 4,549,434
- Issue date Oct 29, 1985
- Marsh-McBirney, Inc.
- Lawrence B. Marsh
- G01 - MEASURING TESTING
Information Patent Grant
Flow meter having an electromagnetic sensor probe
- Patent number 4,459,858
- Issue date Jul 17, 1984
- Marsh-McBirney, Inc.
- Lawrence B. Marsh
- G01 - MEASURING TESTING
Information Patent Grant
Fluid flow meter
- Patent number 4,083,246
- Issue date Apr 11, 1978
- Marsh-McBirney, Inc.
- Lawrence B. Marsh
- G01 - MEASURING TESTING
Information Patent Grant
Spherical electromagnetic water current velocity sensor with protru...
- Patent number 4,015,471
- Issue date Apr 5, 1977
- Marsh-McBirney, Inc.
- Lawrence B. Marsh
- G01 - MEASURING TESTING

Lawrence B. Marsh

Person

Patents Grantslast 30 patents

Electromagnetic boat speedometer having removable electrodes

Magnetic flowmeter having a separable magnet/electrode assembly

Open channel flowmeter utilizing surface velocity and lookdown leve...

Self-calibrating open-channel flowmeter

Tracer type flowmeter and method using two or more injected trace m...

Magnetic flowmeter having a separable magnetic assembly

Pump station flowmeter

Pump station flowmeter with sudden high inflow change detector

Flowmeter with concentrically arranged electromagnetic field

Averaging velocity sensor for measuring fluid flow in a conduit

Pressure level sensor

Flow meter having an electromagnetic sensor probe

Fluid flow meter

Spherical electromagnetic water current velocity sensor with protru...