Growing community of inventors

Brookline, NH, United States of America

Norval D Stapelfeld

Average Co-Inventor Count = 2.55

ph-index = 6

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 = 389

Norval D StapelfeldFrederic T Peterson (5 patents)Norval D StapelfeldThomas Mariner (3 patents)Norval D StapelfeldCraig R Autio (1 patent)Norval D StapelfeldE Thomas Mariner (1 patent)Norval D StapelfeldCortland G Sandberg (1 patent)Norval D StapelfeldLauren L L'Esperance (1 patent)Norval D StapelfeldNorval D Stapelfeld (7 patents)Frederic T PetersonFrederic T Peterson (6 patents)Thomas MarinerThomas Mariner (3 patents)Craig R AutioCraig R Autio (9 patents)E Thomas MarinerE Thomas Mariner (2 patents)Cortland G SandbergCortland G Sandberg (1 patent)Lauren L L'EsperanceLauren L L'Esperance (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Dogwatch Inc. (6 from 12 patents)

2. Whistler Corporation (1 from 6 patents)


7 patents:

1. 8006649 - Animal control system having correction monitor

2. 6825768 - Adaptive pet containment system and method

3. 6575120 - Animal control system

4. 6467435 - Animal control system

5. 6360698 - Animal control system

6. 6079367 - Animal training apparatus and method

7. 5543776 - Vehicle security system

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1/3/2026
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