| 2026-06-09 | Echolocation technology |
| 2025-06-23 | Underwater tracking aid |
| 2025-06-12 | The Titanic disaster partly inspired its invention |
| 2025-03-05 | Source of a pulse |
| 2025-01-17 | Ping maker |
| 2024-07-28 | Aid in seafloor mapping |
| 2024-06-20 | Technology used in seafloor mapping |
| 2024-05-14 | Military technology that's a source of stress for whales |
| 2024-03-01 | Naval acronym |
| 2023-08-26 | Dolphin's facility |
| 2023-07-01 | Bat signal |
| 2021-04-19 | Submarine device |
| 2019-07-14 | Echolocation method |
| 2019-05-15 | Sub system |
| 2018-12-15 | One method of locating schools |
| 2018-08-02 | Submarine equipment |
| 2017-09-20 | Salvage ship's detection system |
| 2017-03-18 | Whale facility |
| 2016-12-24 | Capability of whales and dolphins |
| 2016-10-21 | Sub standard? |
| 2016-06-20 | Submarine detector |
| 2016-02-28 | Echolocator |
| 2015-12-05 | Marine detector |
| 2015-09-13 | Echolocation device |
| 2015-04-21 | It might pick up a big fish |
| 2015-01-10 | Dolphin facility |
| 2014-10-12 | Ping maker |
| 2014-06-24 | Submarine sensor |
| 2013-01-31 | Torpedo detector |
| 2011-09-20 | Echolocation acronym |
| 2011-05-26 | School locator? |
| 2010-12-07 | Aid in finding sunken ships |
| 2010-10-06 | Red October detector |
| 2009-05-14 | Detection device |
| 2008-10-13 | Sub's navigational aid |
| 2007-12-12 | Underwater wave generator |
| 2007-11-13 | School locator? |
| 2007-10-29 | Sunken ship finder |
| 2007-06-14 | Ocean explorer's aid |
| 2006-10-05 | Coast Guard equipment |
| 2006-08-11 | Salvaging aid |
| 2006-04-16 | Deep-sea fishing aid |
| 2006-02-16 | Salvager's equipment |
| 2006-01-30 | Submarine-detecting system |
| 2005-09-18 | A school might be found using it |
| 2005-06-12 | School locator |
| 2005-05-22 | Kind of signal |
| 2005-05-09 | Sub finder |
| 2005-03-15 | Salvage ship's equipment |
| 2004-12-10 | Salvaging aid |
| 2004-09-11 | Bat signals? |
| 2004-07-31 | Aid in removal of mines |
| 2004-01-09 | Whale spotter |
| 2003-07-20 | Blip displayer |
| 2002-12-18 | Sub system |
| 2002-09-23 | Submarine detector |
| 2002-08-14 | Blip maker |
| 2002-08-04 | 52-Down gear |
| 2002-07-08 | Marine detector |
| 2002-01-01 | Whale finder |
| 2001-08-25 | Echo finder |
| 2001-04-26 | It hunted for Red October |
| 2001-04-02 | Submarine detector |
| 2000-08-24 | U-boat detector |
| 2000-08-22 | Echo analyzer |
| 2000-08-14 | Echolocation |
| 2000-08-04 | Detection device |
| 2000-05-21 | Salvager's gear |
| 2000-04-23 | Sea salvage aid |
| 1999-11-29 | Antisub device |
| 1999-11-21 | Ship salvager's aid |
| 1999-11-09 | Source of waves at sea |
| 1999-09-02 | Navigational aid |
| 1999-01-14 | Whale finder |
| 1998-06-19 | Salvager's system |
| 1997-11-13 | Destroyer detector |
| 1997-11-02 | Echolocation device |
| 1997-08-07 | Item on a sub |
| 1997-07-14 | Sub's "ears" |
| 1996-12-17 | Sub detector |
| 1996-11-13 | Sub detector |
| 1996-11-08 | Sub standard? |
| 1996-08-29 | Oceanographer's aid |
| 1996-05-27 | Submarine system |
| 1996-05-12 | Sub detector |
| 1995-03-12 | Dolphin sense |
| 1994-12-09 | U-boat gear |
| 1994-12-08 | Underwater acronym |
| 1994-12-03 | Naval acronym |
| 1994-04-22 | Sub detector |
| 1994-03-15 | Underwater acronym |