Inventor
John A. Herr
Inventor
Garwood, NJ, US
Overview
Patents· 35 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
D05Bprimary
D05BSewing34%
H02KDynamo-electric machines18%
D05DIndexing scheme associated with subclasses d05b and d05c, relating to sewing, embroidering and tufting15%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%
F16BDevices for fastening or securing constructional elements or machine parts together, e.g. nails, bolts, circlips, clamps, clips or wedges7%
G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure3%
G05BControl or regulating systems in general3%
H01RElectrically-conductive connections3%
G01VGeophysics2%
H01FMagnets2%
PatentTitleYear
6,425,718'Direct multi-tension indicating washer having bumps of a first and second height'20026,152,665'Direct tension indicating washers'20005,931,618'Direct tension indicating washers'19995,769,581'Direct tension indicating washers'19984,495,430'Balanced armature winding for motors'19854,404,488'Brush board assembly for dynamoelectric machine'19834,396,850'Brush board assembly for dynamoelectric machine with flat end commutator'19834,386,291'Multi-level armature winding for single air gap motor'19834,355,255'Brushless direct current motor and control therefor'19824,301,978'Electro-magnetic thread tension control for sewing machines'19814,295,118'Latching relay using Hall effect device'19814,283,647'Annular segment permanent magnet single air gap electric motor'19814,266,152'Method of and apparatus for cooling electric motors and totally enclosed electric motors incorporating same'19814,214,539'Position sensing device for electronic sewing machine'19804,188,896'Diaphragm pump for needle threading'19804,185,575'Ramp speed integrated motor controller for sewing machines'19804,184,443'Diaphragm pump for needle threading'19804,164,192'Sewing machine motor speed limiting by pattern selection'19794,163,158'Sewing machine bobbin thread run-out alarm using reflected light'19794,154,178'High density programming means for programmable sewing machine'19794,150,634'Integrated motor controller for sewing machines'1979RE029972'Safety lockout system for sewing machines'1979RE029952'Bight stop mechanism for sewing machines'19794,143,606'Multiple armature permanent magnet motor/actuator for sewing machine drive and stitch control'19794,120,254'Direct drive feed system for sewing machines'19784,107,591'Hall generator position sensing device'19784,092,938'Sewing machine with programmable memory'19784,092,569'Multiple armature permanent magnet motor/actuators'19784,074,642'Sewing machine with programmable memory'19784,063,123'Rotor winding improvement'19774,048,932'Bight stop mechanism for sewing machines'19774,016,441'Linear motor'19774,014,275'Sewing machine re-programmable memory'19773,985,087'Safety lockout system for sewing machines'19763,955,516'Magnetic actuated sewing machine zigzag mechanism'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1985Patents assigned to SINGER CO (29)· patent assignee history
1976–1985Based in Garwood, NJ, US· patent location history
1998–2002Patents assigned to APPLIED BOLTING TECHNOLOGY PRO (4)· patent assignee history
1998–2002Based in West Chesterfield, NH, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SINGER CO | 29 | 1976–1985 |
| APPLIED BOLTING TECHNOLOGY PRO | 4 | 1998–2002 |
Locations
| Location | Patents | Span |
|---|---|---|
| Garwood, New Jersey, US | 31 | 1976–1985 |
| West Chesterfield, NH, US | 4 | 1998–2002 |