Richard W. Smith has been granted 20 US patents while listed as an inventor at Wangner Systems . The first was granted in 1982 and the most recent in August 2025. Richard W. Smith ranks #214,803 of 4,157,543 US inventors in our database (top 5.2%). Patent records list Richard W. Smith in Saint Paul, MN, US.
Patents per Year Patents granted per year, 1982 to 2025 Bar chart with a peak of 2 patents in 1985. peak 2 1982: 1 patents 1982 1985: 2 patents 1986: 2 patents 1986 1987: 1 patents 1990: 1 patents 1990 1993: 1 patents 1994: 1 patents 1994 1996: 1 patents 1998: 1 patents 1998 2004: 1 patents 2005: 1 patents 2005 2006: 2 patents 2007: 1 patents 2007 2008: 1 patents 2018: 1 patents 2018 2019: 1 patents 2025: 1 patents 2025
Issued Patents All Time
Profile Widget
Showing 1–20 of 20 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
12382944 Rigid fumigant barrier for shipping container door Danny Davis , Francis Urhahn , Michael Bickel , Nolan Bernard 2025-08-12
10486957 Beverage dispensing system with disposable liner and faucet Brent W. Todd , R. Randall Frisk 2019-11-26
10112820 Beverage dispensing system with disposable liner and faucet Brent W. Todd , R. Randall Frisk 2018-10-30
7334702 Tamper resistant beverage dispensing bag Daniel A. Cunningham 2008-02-26
7241476 Airflow masking of carbon-carbon composites for application of antioxidants Allen H. Simpson , Marcia Wright , Phillip Johnson , David R. Cole 2007-07-10
$13,925,000
7086128 Seam assist attachment device — 2006-08-08
$4,154,000
7044040 Leading and trailing edge stitch tab scrap strippers — 2006-05-16
6883683 Tamper resistant beverage dispensing bag Daniel A. Cunningham 2005-04-26
6786484 Sheet inverter — 2004-09-07
5731059 Dryer fabric having an abrasion resistant edge Scott Quigley 1998-03-24
5506033 Dryer fabric edge seal — 1996-04-09
5334051 Connector for coaxial cable having corrugated outer conductor and method of attachment Edward B. Devine 1994-08-02
$11,099,000
5188884 Woven papermaking fabric having low profile seam — 1993-02-23
4945714 Form, fill, seal and separate packaging machine for reclosable containers William A. Bodolay , Gregory A. Ward 1990-08-07
4649964 Paper making fabric having a reduced permeability profile — 1987-03-17
4632716 Woven low permeability fabric and method — 1986-12-30
4583302 Helical dryer belt with profiled permeability — 1986-04-22
4500590 Dryer fabric having reduced permeability in the area of the pintle joint — 1985-02-19
4490925 Low permeability spiral fabric and method — 1985-01-01
4352259 Movable inflatable ceiling or partition for greenhouse use Robert H. Frank 1982-10-05
