Smith Engineering
Ontario, CA, US· latest recorded location
Smith Engineering is named on 38 US grants and 0 published applications in this corpus. Its most frequent classification is A63F (Card, board, or roulette games).
- Granted patents
- 38
- Published applications
- 0
- Inventors
- 27
- Granted in 2026 so far
- 0
- Most recent grant
- 16 Feb 1999
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 4 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 5 | 0 |
| 1995 | 3 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 4 | 0 |
| 1999 | 1 | 0 |
By publication year.
Technology areas
Share of 38 documents
- A63FCard, board, or roulette games8
- F23GCremation furnaces8
- A63HToys4
- H04NPictorial communication4
- B01DSeparation3
- F27DDetails or accessories of furnaces, kilns, ovens or retorts, in so far3
- G06FComputing and data processing3
- F23LSupplying air or non-combustible liquids or gases to combustion apparatus in general2
- F28DHeat-exchange apparatus, not provided for in another subclass, in which the heat-exchange2
- F28FDetails of heat-exchange and heat-transfer apparatus, of general application2
Recent patents
- Rotary valve thermal oxidizer16 Feb 1999US 5,871,349 A
- Pre-heating of process stream for thermal oxidizers22 Sep 1998US 5,810,581 A
- Positioning system using infrared radiation18 Aug 1998US 5,796,387 A
- Throw-measuring football14 Jul 1998US 5,779,576 A
- Regenerative thermal oxidizer with floor-mounted media support23 Jun 1998US 5,770,165 A
No published applications.
Most cited
By later US patents
- Video game cartridge recognition and security system256US 4,462,076 A1984
- Video based instructional and entertainment system using animated figure178US 4,846,693 A1989
- Throw-measuring football174US 5,779,576 A1998
- Dual-mode hand-held game controller161US 5,394,168 A1995
- Hand-held electronic game playing device with replaceable cartridges151US 4,359,222 A1982