Inventor
NEUWIRTH HELMUTH
US25 patents
⚠️ This page may combine multiple inventors who share the name “NEUWIRTH HELMUTH”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PORTA SYSTEMS CORP
24 patentsUS4944003AJul 24, 1990
Solid state telephone protector module
PORTA SYSTEMS CORP23 citations92
USD318262SJul 16, 1991
Grounded multiple outlet
PORTA SYSTEMS CORP17 citations82
US4824403AApr 25, 1989
Telephone connector block for cradle type installtion
PORTA SYSTEMS CORP10 citations74
US5027100AJun 25, 1991
Gas tube fail safe device for telephone protector modules
PORTA SYSTEMS CORP18 citations73
US5008772AApr 16, 1991
Telephone circuit protector module having plural circuit grounding means
PORTA SYSTEMS CORP14 citations73
US4911661AMar 27, 1990
Hinged cover for telephone connector blocks
PORTA SYSTEMS CORP17 citations73
US4910489AMar 20, 1990
Gas tube fail-safe device for telephone protector modules
PORTA SYSTEMS CORP12 citations73
US4907263AMar 6, 1990
Drain ground for telephone connector blocks
PORTA SYSTEMS CORP11 citations73
US4905275AFeb 27, 1990
Laminar type telephone protector block and interconnectable modular elements therefor
PORTA SYSTEMS CORP18 citations73
US4856060AAug 8, 1989
Solid state telephone protector module
PORTA SYSTEMS CORP18 citations73
US4675779AJun 23, 1987
Telephone protector module having self-contained sealing means
PORTA SYSTEMS CORP16 citations73
US4582960AApr 15, 1986
Subscriber network interface device
PORTA SYSTEMS CORP10 citations73
US4730229AMar 8, 1988
Male base subscriber circuit protector module
PORTA SYSTEMS CORP11 citations70
USD315566SMar 19, 1991
Telephone circuit connecting device
PORTA SYSTEMS CORP5 citations63
US4535379AAug 13, 1985
Telephone protector module with auxiliary fusible element
PORTA SYSTEMS CORP4 citations63
US4904211AFeb 27, 1990
Frame cradle for telephone connector blocks
PORTA SYSTEMS CORP3 citations62
US4899376AFeb 6, 1990
Identification strip and holder for telephone connector blocks
PORTA SYSTEMS CORP3 citations62
US4881255ANov 14, 1989
Protector module for quick clip terminal telephone connector blocks
PORTA SYSTEMS CORP6 citations54
USD315142SMar 5, 1991
Grounded multiple outlet
PORTA SYSTEMS CORP1 citations52
USD314552SFeb 12, 1991
Telephone connector block or similar article
PORTA SYSTEMS CORP0 citations52
USD310206SAug 28, 1990
Telephone circuit protector block
PORTA SYSTEMS CORP1 citations52
US4840572AJun 20, 1989
Telephone connector block having serially interconnectible grounding strip
PORTA SYSTEMS CORP1 citations52
USD326266SMay 19, 1992
Power transfer block for telephone systems or similar device
PORTA SYSTEMS CORP1 citations51
USD279897SJul 30, 1985
Telephone bridge lifter block
PORTA SYSTEMS CORP1 citations42