ENCANA CORP Expired Patents
2 granted patents the USPTO lists as expired; the status gives the reason, newest filing first, as the USPTO Open Data Portal records them; the company is the first-named applicant. The application number opens the full record at Patent Center.
- 2016-11-16: Application 15353603; Invention PROCESS AND APPARATUS FOR PROCESSING A HYDROCARBON GAS STREAM; Applicant ENCANA CORPORATION; Status Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362.
- 2012-12-21: Application 13724381; Invention PROCESS AND PROCESS LINE FOR THE PREPARATION OF HYDRAULIC FRACTURING FLUID; Applicant ENCANA CORPORATION; Status Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362.
| Filed | Application | Invention | Applicant | Status | Granted | Patent | Published as | Inventor name | Inventor country | Examiner |
|---|---|---|---|---|---|---|---|---|---|---|
| 2016-11-16 | 15353603 | PROCESS AND APPARATUS FOR PROCESSING A HYDROCARBON GAS STREAM | ENCANA CORPORATION | Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 | 2019-12-31 | 10520249 | US20170211877A1 | STEPHEN CRAIG HORNE | Canada | BABAA, NAEL N |
| 2012-12-21 | 13724381 | PROCESS AND PROCESS LINE FOR THE PREPARATION OF HYDRAULIC FRACTURING FLUID | ENCANA CORPORATION | Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 | 2014-10-07 | 8851179 | US20130112419A1 | GRANT TODD DeFOSSE LOIS LOUISE McCORRISTON | Canada Canada | BATES, ZAKIYA W |