David A. Watson has been granted 31 US patents while listed as an inventor at Pudenz-Schulte Medical Research . The first was granted in 1987 and the most recent in September 2017. David A. Watson ranks #115,823 of 4,157,543 US inventors in our database (top 2.8%). Patent records list David A. Watson in San Jose, CA, US.
Patents per Year Patents granted per year, 1987 to 2017 Bar chart with a peak of 6 patents in 1992. peak 6 1987: 1 patents 1987 1989: 1 patents 1990: 1 patents 1990 1991: 1 patents 1992: 6 patents 1992 1993: 1 patents 1994: 1 patents 1994 1995: 1 patents 1997: 3 patents 1997 1998: 3 patents 2005: 2 patents 2005 2007: 1 patents 2010: 1 patents 2010 2013: 3 patents 2014: 2 patents 2014 2015: 1 patents 2016: 1 patents 2016 2017: 1 patents 2017 Issued Patents All Time
Showing 1–25 of 31 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
9750279 Process and apparatus for removing a tail end of a Brussels sprout Christopher Stephen Keenan , Dirk Jacobus Bac , Bastiaan Rinke Anthony Groeneweg , Ian McLachlan 2017-09-05
9526879 Shunt valve for controlling siphon effect — 2016-12-27
9056181 Shunt valve for controlling siphon effect — 2015-06-16
8871241 Injectable sustained release delivery devices Kang-Jye Chou , Hong Guo , Paul Ashton , Robert Shimizu 2014-10-28
8623071 Radiopaque super-elastic intravascular stent Andre S. Lundkvist 2014-01-07
8597344 Radiopaque super-elastic intravascular stent Andre S. Lundkvist 2013-12-03
8414524 Long nose manipulatable catheter Marc-Alan Levine , Stephen J. Hebert , Thomas Breton 2013-04-09
8376980 Ingrowth preventing indwelling catheter assembly — 2013-02-19
7763142 Process for creating an ingrowth preventing indwelling catheter assembly — 2010-07-27
D550981 Leg-less nightstand — 2007-09-18
6936270 Device and method for treating conditions of a joint Thomas J. Smith , Richard Laporte , Jianbing Chen , Paul Ashton 2005-08-30
6852106 Implantable refillable and ported controlled release drug delivery device Robert Shimizu , Richard Laporte 2005-02-08
5800376 Burr-hole flow control device Paul Vaskelis 1998-09-01
$20,448,000
5792104 Dual-reservoir vascular access port Lori Speckman 1998-08-11
$32,158,000
5738666 Slit tip ventricular catheter and method of manufacturing same Lori Speckman 1998-04-14
$86,810,000
5676182 Portable apparatus and method for winterizing of seasonal dwellings George McMullen 1997-10-14
5662600 Burr-hole flow control device Paul Vaskelis 1997-09-02
5637083 Implantable adjustable fluid flow control valve William J. Bertrand 1997-06-10
5387188 Pulsatile flow-accommodating fluid shunt — 1995-02-07
5338291 Glaucoma shunt and method for draining aqueous humor Lori Speckman 1994-08-16
5176627 Implantable fluid flow control device having two-piece base, and assembly process — 1993-01-05
5167615 Flow control device having selectable alternative fluid pathways Gary P. East 1992-12-01
5154693 Flow control device having selectable alternative fluid pathways Gary P. East 1992-10-13
5152753 Medication infusion device with dose recharge restriction Stephen W. Laguette , Gary P. East , Thomas John Carlisle 1992-10-06
5137529 Injection port Mark J. Licata , Alfons Heindl , Edward C. Leicht 1992-08-11
