Inventor

Alan R. Levin

Inventor

Somerville, NJ, US

Overview

17→

Patents

1979–2021

Patent span

Mechanical engineering

Primary field (CPC F)

Patents· 17 as inventor

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

F16Kprimary

F16KValves19%

B01DSeparation15%

Y10TTechnical subjects covered by former us classification15%

A62BDevices, apparatus or methods for life-saving8%

B29CShaping or joining of plastics8%

F21VFunctional features or details of lighting devices or systems thereof8%

F21WIndexing scheme associated with subclasses f21k, f21l, f21s and f21v, relating to uses or applications of lighting devices or systems8%

B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts4%

B29LIndexing scheme associated with subclass b29c, relating to particular articles4%

C02FTreatment of water, waste water, sewage, or sludge4%

PatentTitleYear

10,941,920Low-profile niche for underwater pool/spa lights2021 9,108,126'Unitary filter tank and an underdrain for filtering a body of water'2015 9,046,247'Low-profile niche for underwater pool/spa lights'2015 8,936,721'Unitary filter tank and an underdrain for filtering a body of water'2015 7,931,447'Drain safety and pump control device'2011 7,297,265'Backwash strainer having a cyclonic flow mechanism'2007 D0473937'Respirator'2003 6,536,435'Respirator headpiece and release mechanism'2003 6,497,232'Respirator headpiece and release mechanism'2002 5,671,769'Swing check valve and method for repairing same'1997 5,624,559'Bag filter and retainer therefor'1997 5,609,185'Valve indicator and handle assembly'1997 D0377825'Bag filter vessel'1997 5,551,467'Ball valve with controlled flow variation'1996 D0373176'Combined valve indicator and handle'1996 4,279,404'Guide arrangement for expanding gate valves'1981 4,151,855'Ball valve assembly tools and method of using same'1979

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1979–1981Patents assigned to ACF IND INC (2)· patent assignee history

1979–1981Based in Houston, TX, US· patent location history

1996–1997Patents assigned to H TECH INC (6)· patent assignee history

1996–1997Based in Somerville, NJ, US· patent location history

2002–2003Patents assigned to CABOT SAFETY INTERMEDIATE CORP (3)· patent assignee history

2002–2003Based in New Haven, CT, US· patent location history

2011–2021Patents assigned to HAYWARD IND INC (5)· patent assignee history

2011–2021Based in Bermuda Run, NC, US· patent location history

2015Patents assigned to LEVIN ALAN R (2)· patent assignee history

2015Based in Winston-Salem, NC, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
H TECH INC	6	1996–1997
HAYWARD IND INC	5	2011–2021
CABOT SAFETY INTERMEDIATE CORP	3	2002–2003
ACF IND INC	2	1979–1981
LEVIN ALAN Rself	2	2015

Locations

Location	Patents	Span
Somerville, New Jersey, US	6	1996–1997
Bermuda Run, NC, US	3	2011–2021
New Haven, CT, US	3	2002–2003
Winston-Salem, NC, US	2	2015
Houston, Texas, US	2	1979–1981