Inventor

Estel L. Lovitt, Jr.

Inventor

Sylvania, OH, US

Overview

13→

Patents

1981–2005

Patent span

Performing operations

Primary field (CPC B)

Patents· 13 as inventor

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

LOC12primary

LOC1221%

E02FDredging16%

B60BVehicle wheels11%

B60FVehicles for use both on rail and on road11%

B61DBody details or kinds of railway vehicles11%

E01BPermanent way11%

B66CCranes5%

B66FHoisting, lifting, hauling or pushing, not otherwise provided for, e.g. devices which apply a lifting or pushing force directly to the surface of a load5%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%

Y10TTechnical subjects covered by former us classification5%

PatentTitleYear

RE038779'Wheel and adapter'2005 D0445077'Wheel adapter'2001 D0443577'Wheel adapter'2001 D0443578'Wheel adapter'2001 6,238,009'Wheel and adapter'2001 D0431513'Wheel adapter'2000 5,649,490'Apparatus for supporting and raising auxiliary rail wheels on a vehicle'1997 5,310,275'Universal coupler'1994 5,119,723'Apparatus for removing or installing railroad ties with 360 degree rotatable tie holding member'1992 5,088,882'Universal coupling'1992 4,960,359'Demountable swing boom hoist for front end loaders'1990 4,941,408'Adjustable frame for rail wheels on motor vehicles adaptable to ride on railroad tracks'1990 4,281,868'Rail threading device'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981–2005Patents assigned to MITCHELL EQUIPMENT CORP (6)· patent assignee history

1981Based in Toledo, OH, US· patent location history

1990–1992Patents assigned to LOVITT JR ESTEL L (4)· patent assignee history

1990–2005Based in Sylvania, OH, US· patent location history

1994Patents assigned to LOVITT ESTEL L (1)· patent assignee history

2000Patents assigned to MITCHELL EQUIPMENT INC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MITCHELL EQUIPMENT CORP	6	1981–2005
LOVITT JR ESTEL Lself	4	1990–1992
LOVITT ESTEL Lself	1	1994
MITCHELL EQUIPMENT INC	1	2000

Locations

Location	Patents	Span
Sylvania, OH, US	12	1990–2005
Toledo, OH, US	1	1981