Inventor

Daniel M. Willis

Inventor

Clinton, OH, US

Overview

9→

Patents

2006–2021

Patent span

Performing operations

Primary field (CPC B)

Patents· 9 as inventor

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

A47Kprimary

A47KSanitary equipment38%

B05BSpraying apparatus33%

F04BPositive-displacement machines for liquids14%

B01FMixing, e.g. dissolving, emulsifying or dispersing5%

B65DContainers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers5%

F16KValves5%

PatentTitleYear

11,089,913Double inlet valve for enhanced pump efficiency2021 11,079,022Outlet valve arrangements for enhanced pump efficiency2021 10,912,426Sequentially activated multi-diaphragm foam pumps, refill units and dispenser systems2021 9,579,613'Foam-at-a-distance systems, foam generators and refill units'2017 8,360,287'Air piston and dome foam pump'2013 7,819,289'Foam soap generator'2010 7,806,301'Dome pump'2010 7,543,722'Foam soap generator and pump'2009 7,011,237'Dip tube for use with a container pump'2006

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2006–2013Patents assigned to WILLIS DANIEL M (5)· patent assignee history

2006–2013Patents assigned to CIAVARELLA NICK E (3)· patent assignee history

2006Patents assigned to ROSENKRANZ MARK E (1)· patent assignee history

2006Based in Mantua, OH, US· patent location history

2009–2021Based in Clinton, OH, US· patent location history

2010Patents assigned to REYNOLDS AARON R (1)· patent assignee history

2013–2021Patents assigned to GOJO IND INC (5)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
GOJO IND INC	5	2013–2021
WILLIS DANIEL Mself	5	2006–2013
CIAVARELLA NICK E	3	2006–2013
REYNOLDS AARON R	1	2010
ROSENKRANZ MARK E	1	2006

Locations

Location	Patents	Span
Clinton, OH, US	8	2009–2021
Mantua, OH, US	1	2006