WK

Wing-Kwong Keung

OC Owens-Illinois Closure: 31 patents #1 of 125Top 1%
Pitney Bowes: 2 patents #540 of 1,308Top 45%
RS Rexam Closure Systems: 2 patents #12 of 31Top 40%
CD Continentalafa Dispensing: 1 patents #6 of 14Top 45%
MC Msd Consumer Care: 1 patents #42 of 68Top 65%
RP Rexam Healthcare Packaging: 1 patents #16 of 30Top 55%
📍 Wilton, CT: #8 of 353 inventorsTop 3%
🗺 Connecticut: #768 of 34,797 inventorsTop 3%
Overall (All Time): #87,014 of 4,157,543Top 3%
38
Patents All Time

Issued Patents All Time

Showing 26–38 of 38 patents

Patent #TitleCo-InventorsDate
D438112 Nozzle cap for foam-producing pump dispenser 2001-02-27
D437225 Nozzle cap for pump dispenser 2001-02-06
D435448 Shroud for pump dispenser George R. Trepina, Ernest Henry Tong 2000-12-26
6155462 Bayonet-type finish for a container William W. Brecheisen, Eugene F. Haffner, James E. Hiltner, Anthony J. Scott, George R. Trepina 2000-12-05
D433943 Ergonomic trigger pump Kenneth S. Bloom, Ruixin Fan, George R. Trepina, William E. Chalupsky, Timothy B. Kowal 2000-11-21
D424436 Finish for a container William W. Brecheisen, Eugene F. Haffner, James E. Hiltner, Anthony J. Scott, George R. Trepina 2000-05-09
6032834 Pump dispenser and method of making it 2000-03-07
D419876 Trigger pump dispenser 2000-02-01
5984151 Dispensing pump having universal pump body and readily attachable shroud selected from readily attachable shrouds of different outward shapes Richard D. Lohrman 1999-11-16
5975376 Dispensing pump having universal pump body and readily attachable shroud selected from readily attachable shrouds of different outward shapes William E. Chelupsky, Scotty Ferrell, Gennaro R. Martire 1999-11-02
5890632 Dispensing pump having universal pump body and readily attachable shroud selected from readily attachable shrouds of different outward shapes William E. Chalupsky, Scotty Ferrell, Gennaro R. Martire 1999-04-06
5521627 Thermal printer Walter J. Kulpa 1996-05-28
5465662 Envelope positioning assembly Walter J. Kulpa 1995-11-14