Inventor
Edward J. Knapp, Jr.
Inventor
Merrimac, MA, US
Overview
Patents· 19 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Hprimary
H01HElectric switches76%
B29CShaping or joining of plastics8%
B29BPreparation or pretreatment of the material to be shaped4%
B29LIndexing scheme associated with subclass b29c, relating to particular articles4%
H02HEmergency protective circuit arrangements4%
Y10TTechnical subjects covered by former us classification4%
PatentTitleYear
5,357,234'Current limiting fuse'19944,947,149'Electrical fuse with improved casing'19904,910,490'End terminal seal for an electric fuse'19904,906,963'Externally mounted blown fuse indicator'19904,684,915'Thermoplastic insulating barrier for a fillerless electric fuse'19874,616,207'Electric fuse holder having a Hall-effect current sensor'19864,387,358'Side mounted blown fuse indicator'19834,344,058'Low voltage cartridge fuse design'19824,227,168'Fusible element for electric fuses based on a M-effect'19804,204,182'Indicating or striker pin for electric fuses'19804,167,722'Electric fuse construction'19794,156,224'Capacitor fuse'19794,055,827'Electric fuse'19774,053,861'Electric time-lag fuse having a small current rating'19774,048,609'Lattice structure for electric fuses comprising fusible elements and insulating supports therefor'19774,023,133'Blown fuse indicator'19773,962,666'Support plates for a helically wound fusible element'19763,962,668'Electric low-voltage fuse'19763,935,553'CARTRIDGE FUSE FOR D-C CIRCUITS'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1977Patents assigned to CHASE SHAWMUT CO (4)· patent assignee history
1976Patents assigned to JACOBS JR PHILIP C (1)· patent assignee history
1976–1987Based in Merrimac, MA, US· patent location history
1976Based in Newburyport, MA, US· patent location history
1977–1990Patents assigned to GOULD INC (12)· patent assignee history
1977Based in Amesbury, MA, US· patent location history
1980–1986Based in Salisbury, MA, US· patent location history
1983Patents assigned to GOULD INC ELECTRIC FUSE DIV (1)· patent assignee history
1990–1994Based in Stratham, NH, US· patent location history
1994Patents assigned to GOULD ELECTRONICS INC (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GOULD INC | 12 | 1977–1990 |
| CHASE SHAWMUT CO | 4 | 1976–1977 |
| GOULD ELECTRONICS INC | 1 | 1994 |
| GOULD INC ELECTRIC FUSE DIV | 1 | 1983 |
| JACOBS JR PHILIP C | 1 | 1976 |
Locations
| Location | Patents | Span |
|---|---|---|
| Merrimac, Massachusetts, US | 9 | 1976–1987 |
| Stratham, NH, US | 4 | 1990–1994 |
| Salisbury, Massachusetts, US | 4 | 1980–1986 |
| Amesbury, Massachusetts, US | 1 | 1977 |
| Newburyport, Massachusetts, US | 1 | 1976 |