L & J ENGINEERING, INC

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HILLSIDE, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Valve assemblies with internal protective elements and methods of u...
- Patent number 9,581,261
- Issue date Feb 28, 2017
- L&J Engineering, Inc.
- Louis J Jannotta
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Wave mode converter
- Patent number 9,281,550
- Issue date Mar 8, 2016
- L&J Engineering, Inc.
- Louis J Jannotta
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Tank gage hatch assembly
- Patent number 8,069,722
- Issue date Dec 6, 2011
- L&J Engineering, Inc.
- Louis J. Jannotta
- G01 - MEASURING TESTING
Information Patent Grant
Motor assembly
- Patent number 5,104,056
- Issue date Apr 14, 1992
- L&J Engineering Inc.
- Louis J. Jannotta
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Sealing valve assembly
- Patent number 5,048,560
- Issue date Sep 17, 1991
- L&J Engineering Inc.
- Louis J. Jannotta
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
VALVE ASSEMBLIES WITH INTERNAL PROTECTIVE ELEMENTS AND METHODS OF U...
- Publication number 20160161011
- Publication date Jun 9, 2016
- L&J Engineering, Inc.
- Louis J. Jannotta
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Wave Mode Converter
- Publication number 20150022287
- Publication date Jan 22, 2015
- L&J Engineering, Inc.
- Louis J. Jannotta
- H01 - BASIC ELECTRIC ELEMENTS

Trademarklast 30 trademarks

Information Trademark
74636250 - L & J
- Serial number 74636250
- Registration number 2013122
- Filing date Feb 21, 1995
- L&J ENGINEERING INC.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments