BTR plc
GB· latest recorded location
BTR plc is named on 26 US grants and 0 published applications in this corpus. Its most frequent classification is Y10T (Technical subjects covered by former us classification).
- Granted patents
- 26
- Published applications
- 0
- Inventors
- 32
- Granted in 2026 so far
- 0
- Most recent grant
- 2 Oct 2001
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
By publication year.
Technology areas
Share of 26 documents
- Y10TTechnical subjects covered by former us classification10
- F16KValves9
- A47LDomestic washing or cleaning3
- B01DSeparation3
- F16FSprings3
- F16LPipes3
- Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests2
- B23PMetal-working not otherwise provided for1
- B24CAbrasive or related blasting with particulate material1
- B25BTools or bench devices not otherwise provided for, for fastening, connecting, disengaging1
Recent patents
- Double obturator valve2 Oct 2001US 6,296,016 B1
- Hydraulic mounting6 Apr 1999US 5,890,706 A
- Valve system18 Aug 1998US 5,794,647 A
- Tapered plug valve14 Jul 1998US 5,779,222 A
- Floor coverings26 Aug 1997US 5,660,906 A
No published applications.
Most cited
By later US patents
- Vehicle engine suspension systems63US 4,869,474 A1989
- Valve assembly29US 5,564,470 A1996
- Staple coupling24US 4,570,980 A1986
- System for the monitoring and control of flow of particulate material in impact treatment equipment23US 4,614,100 A1986
- Floor mat of tread strips with a spacer array18US D378,645 S1997 · Design