Inventor

Steven K. Shafer

Inventor
Chittenango, NY, US

Overview

21→
Patents
2004–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 21 as inventor

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

H04Nprimary
H04NPictorial communication, e.g. television50%
H04LTransmission of digital information, e.g. telegraphic communication20%
H03HImpedance networks, e.g. resonant circuits17%
H01PWaveguides3%
H01QAntennas, i.e. radio aerials3%
H03GControl of amplification3%
H04BTransmission3%
PatentTitleYear
10,924,811Compensation device for maintaining a desired signal quality in transmitted signals202110,264,325System, method and device having teaching and commerce subsystems20199,271,026'Dynamically configurable frequency band selection device between CATV distribution system and CATV user'20168,832,767'Dynamically configurable frequency band selection device between CATV distribution system and CATV user'20148,793,755'Broadband reflective phase cancelling network interface device'20148,561,125'Home network frequency conditioning device and method'20138,479,247'Upstream bandwidth conditioning device'20138,478,199'Signal conditioning device with attenuated fail-safe bypass'20138,316,163'HDMI-quality content transmission along a single medium'20128,179,814'Automatic return path switching for a signal conditioning device'20128,181,211'Total bandwidth conditioning device'20128,082,570'Method and apparatus for a self-terminating signal path'20118,014,373'Filtered antenna assembly'20117,739,719'All-pass network for data transmission over a CATV system'20107,592,882'Dual bandstop filter with enhanced upper passband response'20097,592,883'Dual bandstop filter with enhanced upper passband response'20097,549,157'Automatic gain-setting in relaying device'20097,508,284'Hybrid low pass diplex filter'20097,285,945'Fixed filter assembly for proof of performance testing on CATV systems'20076,794,957'CATV filter assembly with improved electrical grounding'20046,737,935'Diplex circuit forming bandstop filter'2004

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2004–2012Patents assigned to MEZZALINGUA JOHN ASS (13)· patent assignee history
2004–2021Based in Chittenango, NY, US· patent location history
2011–2014Patents assigned to SHAFER STEVEN K (8)· patent assignee history
2011–2014Patents assigned to KELMA DAVID (3)· patent assignee history
2011–2014Patents assigned to LAI JOSEPH (3)· patent assignee history
2013–2021Patents assigned to PPC BROADBAND INC (8)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MEZZALINGUA JOHN ASS132004–2012
PPC BROADBAND INC82013–2021
SHAFER STEVEN Kself82011–2014
KELMA DAVID32011–2014
LAI JOSEPH32011–2014
Locations
LocationPatentsSpan
Chittenango, New York, US212004–2021