Engineering Specialties, Inc.
Covington, LA, US· latest recorded location
Engineering Specialties, Inc. is named on 4 US grants and 0 published applications in this corpus. Its most frequent classification is B01D (Separation).
- Granted patents
- 4
- Published applications
- 0
- Inventors
- 2
- Granted in 2026 so far
- 0
- Most recent grant
- 29 May 2001
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
By publication year.
Technology areas
Share of 4 documents
- B01DSeparation3
- C02FTreatment of water, waste water, sewage, or sludge3
- B03DFlotation2
- B01FMixing1
- B03BSeparating solid materials using liquids or using pneumatic tables or jigs1
- E03FSewers1
- E21BEarth or rock drilling1
- Y02WClimate change mitigation technologies related to wastewater treatment or waste management1
- Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests1
Recent patents
- Flotation pile oil/water separator apparatus29 May 2001US 6,238,569 B1
- Combined process vessel apparatus10 Apr 2001US 6,214,220 B1
- Process and apparatus for removing scum from a liquid surface21 Oct 1986US 4,618,430 A
- Offshore pollution prevention31 Jan 1984US 4,428,841 A
No published applications.
Most cited
By later US patents