L. J. Engineering INC
At a glance
Employees1-19
In business sinceNot reported
HeadquartersHuntington Beach, CA
US patents7
SAM.gov UEILMQBWH937PN7
CAGE code26309
Incorporated inCA
Brands
This company sells these brands.
- vacuum regulators
- digital vacuum
- pressure gauges
- pneumatic flow control devices
- military markets
- numerous U.S
- Patents
Named on the company’s own website, read JUL 29, 2026
Supplier designations
For Profit OrganizationManufacturer of GoodsSubchapter S Corporation
Self-certified by the company in its SAM.gov registration
Patents
7 US patents granted 1991–2017, none of them in the five years to SEP 2025.
Mechanical elements 2Measurement 2Chemical engineering 1Transport 1Telecommunications 1
- Valve assemblies with internal protective elements and methods of using sameUS 9,581,261 · granted FEB 28, 2017
- Wave mode converterUS 9,281,550 · granted MAR 8, 2016
- Tank gage hatch assemblyUS 8,069,722 · granted DEC 6, 2011
- Static line parachute automatic activation deviceUS 6,880,786 · granted APR 19, 2005
- Combination noise suppressor and air filter and milking machine pressure regulatorUS 5,289,848 · granted MAR 1, 1994
Newest 5 shown · Granted to L&j Engineering, INC. · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| L. J. Engineering INC | Huntington Beach | CA | 1–19 | ACTIVE |
Compiled from federal records — EPA, OSHA, SAM.gov and the U.S. Census — and from the company’s own website. Federal source data is public domain. Each plant’s page names the source of every field.