Growing community of inventors

Victoria, Australia

Ian Drummond

Average Co-Inventor Count = 5.00

ph-index = 1

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 148

Ian Drummond ↔ Raymond E Stevens (1 patent)Ian Drummond ↔ Raymond E Stevens, Jr (1 patent)Ian Drummond ↔ Benjamin Huey (1 patent)Ian Drummond ↔ Bengt Kjellberg (1 patent)Ian Drummond ↔ Hans O Almovist (1 patent)Ian Drummond ↔ Hans O Almqvist (1 patent)Ian DrummondIan Drummond (1 patent)Raymond E StevensRaymond E Stevens (1 patent)Raymond E Stevens, JrRaymond E Stevens, Jr (1 patent)Benjamin HueyBenjamin Huey (1 patent)Bengt KjellbergBengt Kjellberg (1 patent)Hans O AlmovistHans O Almovist (1 patent)Hans O AlmqvistHans O Almqvist (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Cairns & Brother Inc. (1 from 25 patents)


1 patent:

1. 5291880 - Protective helmet with protective facepiece connection and adjustment

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as of
12/13/2025
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