Inventor

R. Douglas Evans, Jr.

Inventor

Everett, PA, US

Overview

17→

Patents

1976–2019

Patent span

Performing operations

Primary field (CPC B)

Patents· 17 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

Y10Tprimary

Y10TTechnical subjects covered by former us classification14%

B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form9%

E03FSewers9%

A47KSanitary equipment7%

B08BCleaning in general7%

B65DContainers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers7%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry5%

C09KMaterials for miscellaneous applications, not provided for elsewhere5%

E21BEarth or rock drilling5%

E21DShafts5%

PatentTitleYear

10,415,210Drive-over berms for protective containment liners2019 10,273,038Overpack drums2019 9,451,854'Repositionable fluid suction devices'2016 8,480,139'Drum band assembly'2013 8,230,530'Protective cover for preventing spilled liquids from flowing into drains or holes'2012 8,182,927'Recycled cellulosic industrial and commercial absorbent matting'2012 8,117,686'Durable protective cover for preventing spilled liquids from flowing into drains or holes'2012 7,950,075'Protective cover for preventing spilled liquids from flowing into drains or holes'2011 6,743,354'Drain guard catch basin'2004 6,548,135'Absorbent article tablet'2003 6,216,720'Siphon adapter'2001 5,888,604'Foldable mat for absorbing liquids'1999 5,597,418'Method of making foldable mat for absorbing liquids'1997 4,817,743'Butterfly-type shim having semi-opened bottom and double sandwich braze joint produced therewith'1989 4,693,518'Means for holding cutter bits'1987 4,127,000'Method and apparatus for installing chemical anchor bolt assemblies in earth formations'1978 3,960,222'Tool for cutting groove in hole'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1989Patents assigned to KENNAMETAL INC (4)· patent assignee history

1976–1978Based in Bedford, PA, US· patent location history

1987–2019Based in Everett, PA, US· patent location history

1997–2019Patents assigned to NEW PIG CORP (12)· patent assignee history

2004Based in Bedford County, PA, US· patent location history

2012–2016Patents assigned to EVANS JR R DOUGLAS (5)· patent assignee history

2012–2016Patents assigned to DIMINICK ANTHONY SCOTT (2)· patent assignee history

2012–2016Patents assigned to JACKSON DANE R (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
NEW PIG CORP	12	1997–2019
EVANS JR R DOUGLASself	5	2012–2016
KENNAMETAL INC	4	1976–1989
DIMINICK ANTHONY SCOTT	2	2012–2016
JACKSON DANE R	2	2012–2016

Locations

Location	Patents	Span
Everett, Pennsylvania, US	14	1987–2019
Bedford, Pennsylvania, US	2	1976–1978
Bedford County, Pennsylvania, US	1	2004