John J. Astor

DR Dresser-Rand: 2 patents #67 of 306Top 25%

DI Dresser Industries: 1 patents #301 of 787Top 40%

📍 Towanda, PA: #61 of 182 inventorsTop 35%

🗺 Pennsylvania: #23,606 of 74,527 inventorsTop 35%

Overall (All Time): #1,615,549 of 4,157,543Top 40%

Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
6375229	Apparatus for draining a fluid from a pressure vessel and method of use therefor	—	2002-04-23
5779406	Forming a nonuniform groove in an annular bore wall	—	1998-07-14
5749670	Method for fastening parts together and resulting structure	—	1998-05-12