Inventor

Lawrence R. Folsom

Inventor
Pittsfield, MA, US

Overview

35→
Patents
1976–2021
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 35 as inventor

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

F16Hprimary
F16HGearing41%
F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids16%
F41AFunctional features or details common to both smallarms and ordnance, e.g. cannons14%
F02GHot gas or combustion-product positive-displacement engine plants8%
F16DCouplings for transmitting rotation8%
F04BPositive-displacement machines for liquids4%
F02BInternal-combustion piston engines2%
F42CAmmunition fuzes2%
G06FElectric digital data processing2%
G08BSignalling systems, e.g. personal calling systems2%
PatentTitleYear
11,100,777System and method enabling interactive services in alarm system environment20216,997,838'Parallel hydromechanical underdrive transmission'20066,874,994'Hydraulic pump and motor'20056,571,676'Compact artillery'20036,569,049'Radial piston hydromechanical continuously variable transmission'20036,530,855'Parallel hydromechanical underdrive transmission'20036,358,174'Hydraulic machine'20026,109,033'Compact coaxial piston transmission'20006,085,521'Concentric axial piston transmission'20006,062,022'Continuously variable hydrostatic transmission including 1:1 ratio lock-up clutch'20005,956,953'Concentric radial piston transmission with flexible cam ring'19995,896,745'Swashplate assemblies for infinitely variable hydrostatic transmissions'19995,839,889'Infinitely variable vane-type hydraulic machine'19985,678,405'Continuously variable hydrostatic transmission'19975,657,629'Method of changing speed and torque with a continuously variable vane-type machine'19975,655,369'Continuously variable vane-type transmission with regenerative braking'19975,655,370'Vane-type continuously variable transmission'19975,630,318'Method of pumping with a vane-type pump having a flexible cam ring'19975,575,152'Hydraulic machine with wedge-shaped swashplate'19965,535,589'Ratio controller for continuously variable hydrostatic transmission'19965,524,437'Continuously variable hydrostatic transmission having ratio controller actuating components incorporated in output shaft'19965,493,862'Continuously variable hydrostatic transmission'19965,486,142'Hydrostatic transmission including a simplified ratio controller'19965,423,183'Hydraulic machine with wedge-shaped swashplate'19954,563,131'Variable displacement blower'19864,418,533'Free-piston stirling engine inertial cancellation system'19834,380,152'Diaphragm displacer Stirling engine powered alternator-compressor'19834,350,012'Diaphragm coupling between the displacer and power piston'19824,257,310'Ammunition feeding mechanism for a gun'19814,072,082'Recoil converter'19784,027,475'Power systems'19774,015,511'Feeder'19774,011,790'Recoil converter for self powered gun'19773,991,650'Gun self powered drive system'19763,955,300'Gun bolt'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1981Patents assigned to GEN ELECTRIC (6)· patent assignee history
1976–1978Based in Williston, VT, US· patent location history
1976–1977Based in Charlotte, VT, US· patent location history
1977Patents assigned to ADVANCED POWER SYSTEMS (1)· patent assignee history
1977–1983Based in Schenectady, NY, US· patent location history
1982–1986Patents assigned to MECHANICAL TECH INC (4)· patent assignee history
1996–1997Patents assigned to MARTIN MARIETTA CORP (6)· patent assignee history
1996–2006Based in Pittsfield, MA, US· patent location history
1997–2006Patents assigned to FOLSOM TECHNOLOGIES INC (12)· patent assignee history
2003–2005Based in Castleton, NY, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FOLSOM TECHNOLOGIES INC121997–2006
GEN ELECTRIC61976–1981
MARTIN MARIETTA CORP61996–1997
MECHANICAL TECH INC41982–1986
ADVANCED POWER SYSTEMS11977
Locations
LocationPatentsSpan
Pittsfield, Massachusetts, US191996–2006
Schenectady, New York, US61977–1983
Castleton, New York, US22003–2005
Williston, VT, US21976–1978
Charlotte, VT, US21976–1977