L & R Manufacturing Company
At a glance
EmployeesNot reported
In business sinceNot reported
HeadquartersKearny, NJ
US patents3
SAM.gov UEINCN7FK2PM3B2
CAGE code17656
Incorporated inNJ
- ultrasonic cleaning systems
- 3.2 gallon
- 12.3L
- SweepZone® technology
- dental
- medical
- firearms
Named on the company’s own website, read JUL 29, 2026
Supplier designations
For Profit OrganizationManufacturer of GoodsWoman Owned BusinessWoman Owned Small Business
Self-certified by the company in its SAM.gov registration
Patents
3 US patents granted 1979–2006, none of them in the five years to SEP 2025.
Chemical engineering 2Civil engineering 1
- Quick attachment arrangement for end loaderUS 7,086,821 · granted AUG 8, 2006
- Oscillatory resonant transducer driver circuitUS 4,418,297 · granted NOV 29, 1983
- Circuitry for driving a non-linear transducer for ultrasonic cleaningUS 4,141,608 · granted FEB 27, 1979
Granted to L & R Manufacturing LLC · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0
Their plants
3 FACILITIES| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| L & R Manufacturing Co., INC. | Worcester | MA | — | UNVERIFIED |
| L & R Manufacturing Company | Kearny | NJ | — | ACTIVE |
| L&r Manufacturing Company | Kearny | NJ | — | UNVERIFIED |
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.


