Robert D. Wilkes has been granted 21 US patents while listed as an inventor at Unknown . The first was granted in 1980 and the most recent in November 2018. Robert D. Wilkes ranks #201,324 of 4,157,543 US inventors in our database (top 4.8%). Patent records list Robert D. Wilkes in League City, TX, US.
Patents per Year Patents granted per year, 1980 to 2018 Bar chart with a peak of 3 patents in 1998. peak 3 1980: 1 patents 1980 1985: 1 patents 1986: 1 patents 1986 1988: 2 patents 1989: 1 patents 1989 1990: 2 patents 1991: 2 patents 1991 1992: 1 patents 1993: 1 patents 1993 1994: 2 patents 1996: 1 patents 1996 1998: 3 patents 2004: 1 patents 2004 2012: 1 patents 2018: 1 patents 2018
Issued Patents All Time
Profile Widget
Showing 1–21 of 21 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
10132091 Compliant trim for concrete slabs — 2018-11-20
8132380 Compliant trim for concrete slabs — 2012-03-13
6683538 Position dependent messaging system — 2004-01-27
5759414 Swimming pool main drain assembly George J. Cooke 1998-06-02
$1,101,000
5759387 Grey water filter tank recovery system and filter backwashing system — 1998-06-02
$1,101,000
5743888 Safety needle Paul S. Turin , Robert G. Ullrich , Brian S. Murray 1998-04-28
D368094 Remote control Paul S. Turin , Robert G. Ullrich , Lawrence Hitchcock 1996-03-19
5308386 Air relief valve for a pressure vessel — 1994-05-03
$938,000
5299815 Roller skate braking device Kelly M. Brosnan , Paul S. Turin , Robert G. Ullrich 1994-04-05
5255750 Hydraulic drilling method with penetration control Robert Wayne Dickinson , Charles S. Mackey 1993-10-26
5121852 Dynamic pressure relief seal for pressure vessels — 1992-06-16
$761,000
5072851 Dynamic pressure relief seal for pressure vessels — 1991-12-17
$1,003,000
4991667 Hydraulic drilling apparatus and method Paul S. Turin , Michael J. Pesavento , Ben Wade Oakes Dickinson, III 1991-02-12
4944653 Plastic centrifugal pump — 1990-07-31
4930586 Hydraulic drilling apparatus and method Paul S. Turin , Rowe Hakes 1990-06-05
4872509 Oil well production system using a hollow tube liner Ben Wade Oakes Dickinson, III , Robert Wayne Dickinson , Randall R. Anderson , Eric W. Dickinson 1989-10-10
4790394 Hydraulic drilling apparatus and method Ben Wade Oakes Dickinson, III , Robert Wayne Dickinson , Richard R. Jensen , Sherman C. May , Charles S. Mackey 1988-12-13
4787465 Hydraulic drilling apparatus and method Ben Wade Oakes Dickinson, III , Robert Wayne Dickinson , Richard R. Jensen , Sherman C. May , Charles S. Mackey +1 more 1988-11-29
4592100 Air control valve Joeab A. Robertson , Virgil J. Waldorf , Joe D. Pucket 1986-06-03
4539498 Support system for a submersible D.C. motor — 1985-09-03
4185655 Submersible pump check valve Eugene C. Smith , David Earl Ufford 1980-01-29