G01D 7/005
Indication of measured value by colour change
Official title: {Indication of measured value by colour change}
G01D7/005 (Indication of measured value by colour change) appears on 183 US grants and 195 published applications in this corpus.
Search patents in G01D- Granted patents
- 183
- Published applications
- 195
- Assignees
- 118
- Inventors
- 351
- Latest grant
- 21 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 6 | 0 |
| 1996 | 5 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 2 | 2 |
| 2004 | 1 | 1 |
| 2005 | 1 | 3 |
| 2006 | 2 | 4 |
| 2007 | 2 | 8 |
| 2008 | 3 | 6 |
| 2009 | 2 | 9 |
| 2010 | 4 | 12 |
| 2011 | 2 | 8 |
| 2012 | 3 | 7 |
| 2013 | 10 | 17 |
| 2014 | 9 | 14 |
| 2015 | 12 | 10 |
| 2016 | 10 | 14 |
| 2017 | 15 | 12 |
| 2018 | 9 | 13 |
| 2019 | 15 | 16 |
| 2020 | 14 | 8 |
| 2021 | 12 | 8 |
| 2022 | 5 | 7 |
| 2023 | 4 | 7 |
| 2024 | 9 | 1 |
| 2025 | 5 | 6 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Display control device, display control method, and storage medium21 Oct 2025US 12,450,958 B2Honda Motor Co., Ltd.
- System, apparatus and methods for estimating the amount of nutrients released from environmentally-friendly wear material15 Jul 2025US 12,359,943 B1GrndUp LLC
- System and method for quality management utilizing barcode indicators8 Apr 2025US RE50,371 E1Varcode Ltd.
- Method and device for adjusting signalling of a field device18 Feb 2025US 12,228,913 B2VEGA Grieshaber KG
- Footwear expiration indicator21 Jan 2025US 12,203,788 B2
- Multifunctional display element14 May 2026US 2026/0133021 A1Pepperl+Fuchs SE (Mannheim)
- Wear indicator27 Nov 2025US 2025/0361807 A1
- System, apparatus & methods for estimating the amount of nutrients released from environmentally-friendly wear material20 Nov 2025US 2025/0354840 A1GrndUp LLC
- Pressure monitoring system6 Nov 2025US 2025/0341437 A1Tyco Fire & Security GmbH
- Color predictive performance indicator for wiper blade element22 May 2025US 2025/0162541 A1Trico Products Corporation
Most cited
By later US patents
- Electronic component failure indicator253US 5,673,028 A1997
- Thermochromatic materials107US 4,421,560 AThe Pilot Ink Co., Ltd. · 1983
- Moisture barrier for battery with electrochemical tester80US 5,355,089 ADuracell Inc. · 1994
- Battery voltmeter72US 5,059,895 AEastman Kodak Company · 1991
- Battery with strength indicator66US 5,789,100 AStratetic Electronics, LLC · 1998