Inventor

David C. Orlowski

Inventor

Milan, IL, US

Overview

46→

Patents

1977–2019

Patent span

Mechanical engineering

Primary field (CPC F)

Patents· 46 as inventor

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

F16Jprimary

F16JPistons41%

F16CShafts21%

H02KDynamo-electric machines11%

H01RElectrically-conductive connections7%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%

B65GTransport or storage devices, e.g. conveyors for loading or tipping, shop conveyor systems or pneumatic tube conveyors2%

Y10TTechnical subjects covered by former us classification2%

A63BApparatus for physical training, gymnastics, swimming, climbing, or fencing1%

B21BRolling of metal1%

C12MApparatus for enzymology or microbiology1%

PatentTitleYear

10,270,320Motor grounding seal2019 9,634,547'Motor grounding seal'2017 9,614,339'Current diverter ring'2017 9,525,327'Current diverter ring'2016 9,071,092'Current diverter ring'2015 9,048,603'Current diverter ring'2015 9,004,491'Shaft seal assembly'2015 8,979,093'Pressure balanced shaft seal assembly'2015 8,664,812'Current diverter ring'2014 8,604,653'Current diverter ring'2013 8,130,113'Bearing monitoring method'2012 7,839,294'Bearing monitoring method'2010 7,726,661'Pressure balanced shaft seal assembly'2010 D0615996'Adapter plate'2010 7,631,878'Shaft seal assembly'2009 7,521,827'Motor ground seal'2009 7,396,017'Shaft seal assembly'2008 7,090,403'Articulated seal'2006 7,052,014'Snap together bearing isolator'2006 6,419,233'Shaft seal assembly'2002 6,311,984'Bearing isolator'2001 6,234,489'Bearing isolator'2001 6,182,972'Unitary bearing seal'2001 6,062,568'Bearing isolator with air purge'2000 5,951,020'Bearing isolator'1999 5,865,441'Emission seal'1999 5,498,006'Pinned unitary bearing seal'1996 5,378,000'Shaft seal assembly'1995 5,335,921'Bearing alignment device for pillow blocks'1994 5,221,095'Static and dynamic shaft seal assembly'1993 5,174,583'Unitary bearing seal'1992 5,161,804'Magnetic seal'1992 5,158,304'Captured rotor seal'1992 5,137,049'Pressure relief valve'1992 5,074,567'Modified one piece labyrinth seal'1991 5,069,461'Static and dynamic shaft seal assembly'1991 4,989,883'Static and dynamic shaft seal assembly'1991 4,832,350'One piece labyrinth seal'1989 4,749,197'Golf club'1988 4,706,968'Sealing rings with complimentary ring members'1987 4,466,620'Sealing rings'1984 4,304,409'Sealing assembly'1981 4,251,633'Multi-stage continuous system for production of heteropolysaccharides'1981 4,175,752'Two stage labyrinth pattern inclusion device'1979 4,114,902'Sealing rings'1978 4,022,479'Sealing rings'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–2015Patents assigned to ORLOWSKI DAVID C (12)· patent assignee history

1977–2006Based in Rock Island, IL, US· patent location history

1981–2006Based in Milan, IL, US· patent location history

1991–2001Patents assigned to INPRO CO INC (11)· patent assignee history

2001–2009Patents assigned to ISOTECH ILLINOIS INC (7)· patent assignee history

2008–2019Based in Punta Gorda, FL, US· patent location history

2010–2015Patents assigned to INPRO SEAL LLC (10)· patent assignee history

2016–2019Patents assigned to INPRO/SEAL LLC (4)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
ORLOWSKI DAVID Cself	12	1977–2015
INPRO CO INC	11	1991–2001
INPRO SEAL LLC	10	2010–2015
ISOTECH ILLINOIS INC	7	2001–2009
INPRO/SEAL LLC	4	2016–2019

Locations

Location	Patents	Span
Milan, Illinois, US	19	1981–2006
Punta Gorda, Florida, US	17	2008–2019
Rock Island, Illinois, US	10	1977–2006