Inventor

John F. Sovis

Inventor

Twinsburg, OH, US

Overview

1985–1999

Patent span

Human necessities

Primary field (CPC A)

Patents· 25 as inventor

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

A47Lprimary

A47LDomestic washing or cleaning65%

LOC159%

A47JKitchen equipment4%

B60BVehicle wheels4%

F16CShafts4%

G01PMeasuring linear or angular speed, acceleration, deceleration, or shock4%

LOC074%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%

PatentTitleYear

5,964,143'Brewing appliance having a tower with a water reservoir and brewing basket and an adjacently positioned pitcher receptacle'1999 D0414647'Brewing appliance'1999 D0405929'Vacuum cleaner'1999 D0384448'Wet/dry vacuum cleaner'1997 5,606,770'Compact air path construction for vacuum cleaner'1997 D0373862'Combined wet/dry vacuum cleaner with a detachable blower'1996 5,446,943'Compact air path construction for vacuum cleaner'1995 D0359604'Vacuum cleaner'1995 5,247,720'Valving structure for air passageways of floor nozzle and auxiliary inlet of a vacuum cleaner'1993 5,222,786'Wheel construction for vacuum cleaner'1993 D0322338'Vacuum cleaner'1991 D0319517'Vacuum cleaner'1991 4,959,885'Vacuum cleaner'1990 D0309807'Vacuum cleaner'1990 D0309204'Vacuum cleaner'1990 4,918,781'Hand vacuum cleaner'1990 4,891,861'Hand vacuum cleaner'1990 4,800,614'Adaptor and bag insert'1989 4,791,699'Hand vacuum cleaner'1988 4,788,740'Hand vacuum cleaner'1988 4,741,070'Hand vacuum cleaner'1988 4,731,898'Brush speed indicator'1988 4,730,362'Hand vacuum cleaner'1988 4,633,543'Hand vacuum cleaner'1987 4,547,206'Vacuum cleaner'1985

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985–1999Patents assigned to ROYAL APPLIANCE MFG (21)· patent assignee history

1985–1990Based in Coldwater, MI, US· patent location history

1988Based in Richmond Heights, OH, US· patent location history

1989–1999Based in Twinsburg, OH, US· patent location history

1990Patents assigned to ROYAL APPLICANCE MFG CO (1)· patent assignee history

1991Patents assigned to KOPCO JAMES J (1)· patent assignee history

1991Patents assigned to SAUNDERS CRAIG M (1)· patent assignee history

1999Patents assigned to SIGNATURE BRANDS INC (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
ROYAL APPLIANCE MFG	21	1985–1999
SIGNATURE BRANDS INC	2	1999
KOPCO JAMES J	1	1991
ROYAL APPLICANCE MFG CO	1	1990
SAUNDERS CRAIG M	1	1991

Locations

Location	Patents	Span
Twinsburg, OH, US	16	1989–1999
Coldwater, MI, US	8	1985–1990
Richmond Heights, OH, US	1	1988