HJ

Harold Kennedy, Jr.

UN Unknown: 2 patents #12,644 of 83,584Top 20%
AP American Cast Iron Pipe: 1 patents #13 of 24Top 55%
Overall (All Time): #571,290 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
9829137 Flexible pipe joint 2017-11-28
9739401 Pipe gripping elements and pipe joint restraints incorporating same 2017-08-22
7748100 Methods of securing a pipe 2010-07-06
7484775 Pipe joint restraint 2009-02-03
5992905 Breech lock fitting joint Toshiyuki Sato 1999-11-30
5365935 Portable, multi-channel ECG data monitor/recorder William H. Righter, Andrew J. Nicoll 1994-11-22
5071175 Pipe restrainer 1991-12-10
4637641 Assembly means for standardized mechanical joint for pipeline appurtenances 1987-01-20
4402531 Fire hydrant nozzle assembly 1983-09-06