Inventor

Lawrence D. Butts

Inventor

Charlotte, NC, US

Overview

10→

Patents

1979–2020

Patent span

Fixed constructions

Primary field (CPC E)

Patents· 10 as inventor

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

E05Bprimary

E05BLocks18%

H01RElectrically-conductive connections14%

Y10TTechnical subjects covered by former us classification14%

B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for9%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests9%

B01DSeparation5%

B60NSeats specially adapted for vehicles5%

E05DHinges or suspension devices for doors, windows or wings5%

E05YIndexing scheme associated with subclasses e05d and e05f, relating to construction elements, electric control, power supply, power signal or transmission, user interfaces, mounting or coupling, details, accessories, auxiliary operations not otherwise provided for, application thereof5%

G01FMeasuring volume, volume flow, mass flow or liquid level5%

PatentTitleYear

10,654,435Sensor module for use in low-cost weight measurement and sensing system2020 8,946,934'Low-cost connector apparatus and methods for use in high-speed data applications'2015 6,015,302'Power distribution center'2000 4,918,426'Method and apparatus for sensing fluid flow volume to indicate end of filter life'1990 4,598,939'Exit device'1986 4,488,036'Keycard reader'1984 D0271374'Knob escutcheon'1983 4,390,197'Electrically controlled latch'1983 4,211,443'Electric strike'1980 4,140,357'Electric hinge'1979

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1979–1980Based in Joliet, IL, US· patent location history

1983–1986Patents assigned to SCOVILL INC (4)· patent assignee history

1983–1986Based in Charlotte, NC, US· patent location history

1990Patents assigned to AMWAY CORP (1)· patent assignee history

1990Based in Wyoming, MI, US· patent location history

2000–2020Based in Shelby Township, MI, US· patent location history

2015Patents assigned to AUTOSPLICE INC (1)· patent assignee history

2015Patents assigned to BUTTS LAWRENCE DALE (1)· patent assignee history

2020Patents assigned to BGM ENG INC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SCOVILL INC	4	1983–1986
AMWAY CORP	1	1990
AUTOSPLICE INC	1	2015
BGM ENG INC	1	2020
BUTTS LAWRENCE DALEself	1	2015

Locations

Location	Patents	Span
Charlotte, NC, US	4	1983–1986
Shelby Township, MI, US	3	2000–2020
Joliet, Illinois, US	2	1979–1980
Wyoming, MI, US	1	1990