DEW Engineering and Development ULC
Ottawa, CA· latest recorded location
DEW Engineering and Development ULC is named on 10 US grants and 2 published applications in this corpus. Its most frequent classification is B64F (Ground or aircraft-carrier-deck installations specially adapted for use in connection with aircraft).
- Granted patents
- 10
- Published applications
- 2
- Inventors
- 9
- Granted in 2026 so far
- 0
- Most recent grant
- 16 Jun 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2009 | 4 | 0 |
| 2010 | 4 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 1 | 0 |
| 2019 | 0 | 1 |
| 2020 | 1 | 0 |
By publication year.
Technology areas
Share of 12 documents
- B64FGround or aircraft-carrier-deck installations specially adapted for use in connection with aircraft8
- B23PMetal-working not otherwise provided for4
- B62DMotor vehicles4
- F25DRefrigerators1
- F28DHeat-exchange apparatus, not provided for in another subclass, in which the heat-exchange1
- G08GTraffic control systems1
- Y02EClean energy generation and storage1
Recent patents
- Track changing apparatus and methods associated therewith16 Jun 2020US 10,683,044 B2
- Track changing apparatus and methods associated therewith29 May 2018US 9,981,704 B2
- Ground-based aircraft air conditioner with thermal storage30 Mar 2010US 7,685,838 B2
- System and method for wireless communication between an aircraft and a passenger boarding bridge2 Mar 2010US 7,669,269 B2
- System and method for wireless communication between an aircraft and a passenger boarding bridge2 Mar 2010US 7,669,270 B2
Most cited
By later US patents
- System and method for detecting rack fault condition of passenger boarding bridge lift columns8US 7,603,734 B22009
- Ground-based aircraft air conditioner with thermal storage7US 7,685,838 B22010
- Method for aligning a plurality of passenger boarding bridges5US 7,603,736 B22009
- System and method for wireless communication between an aircraft and a passenger boarding bridge4US 7,669,270 B22010
- Passenger boarding bridge alignment system and method therefor2US 7,603,737 B22009