Inventor · disambiguated record
John Arthur Calder
Also filed as: CALDER JOHN · CALDER JOHN A · CALDER JOHN ARTHUR
3 granted patents·3 pending applications·15 citations·filing 1977–2024
58Inventor score
Top patents by PatentIndex Score
6 records- 0170US4126765ADetector circuit for sensing battery polarity and loop closureGTE AUTOMATIC ELECTRIC LAB INC·Filed 1977·Granted Nov 21, 1978·15 cites·9 claims
- 0255US12359540B2Overpressure valve system for a subsea manifoldFMC TECH INC·Filed 2023·Granted Jul 15, 2025·0 cites·19 claims
- 0348US2019201204A1Implant With Improved Surface Properties and Expansion MeansOSSIS LTD·Filed 2019·Application pending·0 cites
- 0447US2025243944A1Magnetically actuated gate valveFMC TECH INC·Filed 2024·Application pending·0 cites
- 0542US10265175B2Implant with improved surface propertiesOSSIS LTD·Filed 2015·Granted Apr 23, 2019·0 cites·5 claims
- 0632US2017224497A1Improved Implant SurfaceOSSIS LTD·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →