Ewing Engineering Company
Milwaukee, WI, US· latest recorded location
Ewing Engineering Company is named on 3 US grants and 0 published applications in this corpus. Its most frequent classification is Y10S (Technical subjects covered by former uspc cross-reference art collections [xracs] and digests).
- Granted patents
- 3
- Published applications
- 0
- Inventors
- 2
- Granted in 2026 so far
- 0
- Most recent grant
- 14 Jun 1977
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
By publication year.
Technology areas
Share of 3 documents
- Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3
- F16LPipes2
- Y10TTechnical subjects covered by former us classification2
- C02FTreatment of water, waste water, sewage, or sludge1
- E03FSewers1
- H02GInstallation of electric cables or lines, or of combined optical and electric1
- Y02WClimate change mitigation technologies related to wastewater treatment or waste management1
Recent patents
- Phosphorus removal from waste water14 Jun 1977US 4,029,575 A
- Push-type coupling and conduit pipe assembly17 May 1977US 4,023,834 A
- Conformable thin-wall shear-resistant coupling and pipe assembly17 May 1977US 4,023,835 A
No published applications.
Most cited
By later US patents