| # | Year | First ... |
|---|---|---|
| 1 | 1858 | Can opener (Ezra Warner's patent) |
| 2 | 1895 | Hamburger at Louie's Lunch in New Haven |
| 3 | 1920 | Frisbee's (Yale) |
| 4 | 1939 | Helicopter (Igor Sikorsky) |
| 5 | 1954 | Nuclear Submarine (Nautilus SSN-571) |
| 6 | 1982 | Artificial heart (Dr Robert Jarvik of Stamford) |