Draco

Douglas, GB· latest recorded location

DRACO is named on 1 US grants and 0 published applications in this corpus. Its most frequent classification is B28D (Working stone or stone-like materials).

Granted patents: 1
Published applications: 0
Inventors: 1
Granted in 2026 so far: 0
Most recent grant: 26 May 1998

Filings by year

Draco: granted patents and published applications per publication year
Year	Granted patents	Published applications
1998	1	0

By publication year.

Technology areas

Share of 1 documents

B28DWorking stone or stone-like materials1
B62MRider propulsion of wheeled vehicles or sledges1
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests1
Y10TTechnical subjects covered by former us classification1

Recent patents

Crank device for the transmission of energy with elimination of dead centers, particularly suited for bicycles and the like26 May 1998US 5,755,635 A

All 1 patents

Most cited

By later US patents

Crank device for the transmission of energy with elimination of dead centers, particularly suited for bicycles and the like3US 5,755,635 A1998