DEW Engineering and Development Limited
Ottawa, Ontario, CA· latest recorded location
DEW Engineering and Development Limited is named on 64 US grants and 51 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
- 64
- Published applications
- 51
- Inventors
- 28
- Granted in 2026 so far
- 0
- Most recent grant
- 30 Dec 2008
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 9 | 0 |
| 2000 | 10 | 0 |
| 2001 | 4 | 0 |
| 2002 | 3 | 4 |
| 2003 | 5 | 8 |
| 2004 | 11 | 9 |
| 2005 | 6 | 1 |
| 2006 | 5 | 8 |
| 2007 | 1 | 12 |
| 2008 | 4 | 9 |
By publication year.
Technology areas
Share of 115 documents
- B64FGround or aircraft-carrier-deck installations specially adapted for use in connection with aircraft74
- G06VImage and video recognition14
- F41HArmour10
- G07CTime or attendance registers10
- G01VGeophysics7
- G06FComputing and data processing7
- G01HMeasurement of mechanical vibrations or ultrasonic, sonic or infrasonic waves6
- G01SRadio direction-finding6
- G08GTraffic control systems6
- A61NElectrotherapy4
Recent patents
- Conveyor system for loading and unloading aircraft baggage30 Dec 2008US 7,469,782 B2
- Automated passenger boarding bridge alignment system and method with manual identification of aircraft doorway position2 Dec 2008US 7,458,122 B2
- Passenger boarding bridge stabilizing apparatus and method therefor30 Sep 2008US 7,428,765 B2
- Automated passenger boarding bridge alignment system and method with manual confirmation of aircraft doorway position1 Jul 2008US 7,392,561 B2
- Airport baggage lift system6 Mar 2007US 7,185,382 B2
- Door seal assembly for armored vehicles25 Dec 2008US 2008/0314236 A1
- System and method for guiding an aircraft to a stopping position25 Sep 2008US 2008/0229525 A1
- System and method for identifying an aircraft during approach to a stopping position25 Sep 2008US 2008/0231472 A1
- Radio frequency identification based system and method for aligning one end of a passenger boarding bridge with a doorway of an aircraft15 May 2008US 2008/0109970 A1
- Method for aligning one end of a passenger boarding bridge with a doorway of an aircraft1 May 2008US 2008/0098537 A1
Most cited
By later US patents