| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 8 | |
| #2 | WIPO (World Intellectual Property Organization) | 4 | |
| #3 | Australia | 3 |
| # | Industry | |
|---|---|---|
| #1 | Telecommunications | |
| #2 | Electrical machinery and energy | |
| #3 | Basic communication technologies | |
| #4 | Thermal processes |
| # | Technology | |
|---|---|---|
| #1 | Waveguides | |
| #2 | Electric switches | |
| #3 | Amplifiers | |
| #4 | Refrigerators | |
| #5 | Transmission | |
| #6 | Antennas |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hershtig Rafi | 5 |
| #2 | Hoffman Jerzy | 4 |
| #3 | Shockley Paul R | 3 |
| #4 | Cavey William Weldon | 3 |
| #5 | Wenger John L | 3 |
| Publication | Filing date | Title |
|---|---|---|
| US2003197577A1 | Single port delay element | |
| WO02080301A1 | Delay line filters using multiple in-line four-input couplers | |
| US6317013B1 | Delay line filter | |
| US6212404B1 | Cryogenic filters | |
| US6133810A | Enhanced coaxial cavity filter configured to be tunable while shorted | |
| US6147577A | Tunable ceramic filters | |
| US5936490A | Bandpass filter | |
| US5815057A | Electronically controlled switching device |